640264629760

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{20809}}^1$

素因数の和:20957

約数の個数: 320

約数和(自身を含む): 1876124384640

約数和(自身を除く): 1235859754880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 101, 112, 119, 128, 136, 140, 160, 170, 202, 224, 238, 256, 272, 280, 320, 340, 404, 448, 476, 505, 512, 544, 560, 595, 640, 680, 707, 808, 896, 952, 1010, 1088, 1120, 1190, 1280, 1360, 1414, 1616, 1717, 1792, 1904, 2020, 2176, 2240, 2380, 2560, 2720, 2828, 3232, 3434, 3535, 3584, 3808, 4040, 4352, 4480, 4760, 5440, 5656, 6464, 6868, 7070, 7616, 8080, 8585, 8704, 8960, 9520, 10880, 11312, 12019, 12928, 13736, 14140, 15232, 16160, 17170, 17920, 19040, 20809, 21760, 22624, 24038, 25856, 27472, 28280, 30464, 32320, 34340, 38080, 41618, 43520, 45248, 48076, 51712, 54944, 56560, 60095, 60928, 64640, 68680, 76160, 83236, 90496, 96152, 104045, 109888, 113120, 120190, 129280, 137360, 145663, 152320, 166472, 180992, 192304, 208090, 219776, 226240, 240380, 258560, 274720, 291326, 304640, 332944, 353753, 361984, 384608, 416180, 439552, 452480, 480760, 549440, 582652, 665888, 707506, 728315, 769216, 832360, 879104, 904960, 961520, 1098880, 1165304, 1331776, 1415012, 1456630, 1538432, 1664720, 1768765, 1809920, 1923040, 2101709, 2197760, 2330608, 2476271, 2663552, 2830024, 2913260, 3076864, 3329440, 3537530, 3846080, 4203418, 4395520, 4661216, 4952542, 5327104, 5660048, 5826520, 6153728, 6658880, 7075060, 7692160, 8406836, 9322432, 9905084, 10508545, 10654208, 11320096, 11653040, 12381355, 13317760, 14150120, 14711963, 15384320, 16813672, 18644864, 19810168, 21017090, 22640192, 23306080, 24762710, 26635520, 28300240, 29423926, 30768640, 33627344, 35729053, 37289728, 39620336, 42034180, 45280384, 46612160, 49525420, 53271040, 56600480, 58847852, 67254688, 71458106, 73559815, 74579456, 79240672, 84068360, 90560768, 93224320, 99050840, 113200960, 117695704, 134509376, 142916212, 147119630, 158481344, 168136720, 178645265, 181121536, 186448640, 198101680, 226401920, 235391408, 250103371, 269018752, 285832424, 294239260, 316962688, 336273440, 357290530, 372897280, 396203360, 452803840, 470782816, 500206742, 538037504, 571664848, 588478520, 633925376, 672546880, 714581060, 792406720, 905607680, 941565632, 1000413484, 1076075008, 1143329696, 1176957040, 1250516855, 1267850752, 1345093760, 1429162120, 1584813440, 1883131264, 2000826968, 2286659392, 2353914080, 2501033710, 2690187520, 2858324240, 3169626880, 3766262528, 4001653936, 4573318784, 4707828160, 5002067420, 5380375040, 5716648480, 6339253760, 7532525056, 8003307872, 9146637568, 9415656320, 10004134840, 11433296960, 16006615744, 18293275136, 18831312640, 20008269680, 22866593920, 32013231488, 37662625280, 40016539360, 45733187840, 64026462976, 80033078720, 91466375680, 128052925952, 160066157440, 320132314880, 640264629760]

約数ペア:

[(1, 640264629760), (2, 320132314880), (4, 160066157440), (5, 128052925952), (7, 91466375680), (8, 80033078720), (10, 64026462976), (14, 45733187840), (16, 40016539360), (17, 37662625280), (20, 32013231488), (28, 22866593920), (32, 20008269680), (34, 18831312640), (35, 18293275136), (40, 16006615744), (56, 11433296960), (64, 10004134840), (68, 9415656320), (70, 9146637568), (80, 8003307872), (85, 7532525056), (101, 6339253760), (112, 5716648480), (119, 5380375040), (128, 5002067420), (136, 4707828160), (140, 4573318784), (160, 4001653936), (170, 3766262528), (202, 3169626880), (224, 2858324240), (238, 2690187520), (256, 2501033710), (272, 2353914080), (280, 2286659392), (320, 2000826968), (340, 1883131264), (404, 1584813440), (448, 1429162120), (476, 1345093760), (505, 1267850752), (512, 1250516855), (544, 1176957040), (560, 1143329696), (595, 1076075008), (640, 1000413484), (680, 941565632), (707, 905607680), (808, 792406720), (896, 714581060), (952, 672546880), (1010, 633925376), (1088, 588478520), (1120, 571664848), (1190, 538037504), (1280, 500206742), (1360, 470782816), (1414, 452803840), (1616, 396203360), (1717, 372897280), (1792, 357290530), (1904, 336273440), (2020, 316962688), (2176, 294239260), (2240, 285832424), (2380, 269018752), (2560, 250103371), (2720, 235391408), (2828, 226401920), (3232, 198101680), (3434, 186448640), (3535, 181121536), (3584, 178645265), (3808, 168136720), (4040, 158481344), (4352, 147119630), (4480, 142916212), (4760, 134509376), (5440, 117695704), (5656, 113200960), (6464, 99050840), (6868, 93224320), (7070, 90560768), (7616, 84068360), (8080, 79240672), (8585, 74579456), (8704, 73559815), (8960, 71458106), (9520, 67254688), (10880, 58847852), (11312, 56600480), (12019, 53271040), (12928, 49525420), (13736, 46612160), (14140, 45280384), (15232, 42034180), (16160, 39620336), (17170, 37289728), (17920, 35729053), (19040, 33627344), (20809, 30768640), (21760, 29423926), (22624, 28300240), (24038, 26635520), (25856, 24762710), (27472, 23306080), (28280, 22640192), (30464, 21017090), (32320, 19810168), (34340, 18644864), (38080, 16813672), (41618, 15384320), (43520, 14711963), (45248, 14150120), (48076, 13317760), (51712, 12381355), (54944, 11653040), (56560, 11320096), (60095, 10654208), (60928, 10508545), (64640, 9905084), (68680, 9322432), (76160, 8406836), (83236, 7692160), (90496, 7075060), (96152, 6658880), (104045, 6153728), (109888, 5826520), (113120, 5660048), (120190, 5327104), (129280, 4952542), (137360, 4661216), (145663, 4395520), (152320, 4203418), (166472, 3846080), (180992, 3537530), (192304, 3329440), (208090, 3076864), (219776, 2913260), (226240, 2830024), (240380, 2663552), (258560, 2476271), (274720, 2330608), (291326, 2197760), (304640, 2101709), (332944, 1923040), (353753, 1809920), (361984, 1768765), (384608, 1664720), (416180, 1538432), (439552, 1456630), (452480, 1415012), (480760, 1331776), (549440, 1165304), (582652, 1098880), (665888, 961520), (707506, 904960), (728315, 879104), (769216, 832360)]