20342533760

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:371

約数の個数: 256

約数和(自身を含む): 51634195200

約数和(自身を除く): 31291661440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 71, 80, 82, 122, 128, 142, 160, 164, 179, 205, 244, 284, 305, 320, 328, 355, 358, 410, 488, 568, 610, 640, 656, 710, 716, 820, 895, 976, 1136, 1220, 1312, 1420, 1432, 1640, 1790, 1952, 2272, 2440, 2501, 2624, 2840, 2864, 2911, 3280, 3580, 3904, 4331, 4544, 4880, 5002, 5248, 5680, 5728, 5822, 6560, 7160, 7339, 7808, 8662, 9088, 9760, 10004, 10919, 11360, 11456, 11644, 12505, 12709, 13120, 14320, 14555, 14678, 17324, 19520, 20008, 21655, 21838, 22720, 22912, 23288, 25010, 25418, 26240, 28640, 29110, 29356, 34648, 36695, 39040, 40016, 43310, 43676, 45440, 46576, 50020, 50836, 54595, 57280, 58220, 58712, 63545, 69296, 73390, 80032, 86620, 87352, 93152, 100040, 101672, 109190, 114560, 116440, 117424, 127090, 138592, 146780, 160064, 173240, 174704, 177571, 186304, 200080, 203344, 218380, 232880, 234848, 254180, 277184, 293560, 320128, 346480, 349408, 355142, 372608, 400160, 406688, 436760, 447679, 465760, 469696, 508360, 521069, 554368, 587120, 692960, 698816, 710284, 775249, 800320, 813376, 873520, 887855, 895358, 931520, 939392, 1016720, 1042138, 1174240, 1385920, 1397632, 1420568, 1550498, 1600640, 1626752, 1747040, 1775710, 1790716, 1863040, 2033440, 2084276, 2238395, 2348480, 2605345, 2771840, 2841136, 3100996, 3494080, 3551420, 3581432, 3876245, 4066880, 4168552, 4476790, 4696960, 5210690, 5682272, 6201992, 6988160, 7102840, 7162864, 7752490, 8133760, 8337104, 8953580, 10421380, 11364544, 12403984, 14205680, 14325728, 15504980, 16674208, 17907160, 20842760, 22729088, 24807968, 28411360, 28651456, 31009960, 31785209, 33348416, 35814320, 41685520, 49615936, 56822720, 57302912, 62019920, 63570418, 66696832, 71628640, 83371040, 99231872, 113645440, 124039840, 127140836, 143257280, 158926045, 166742080, 248079680, 254281672, 286514560, 317852090, 333484160, 496159360, 508563344, 635704180, 1017126688, 1271408360, 2034253376, 2542816720, 4068506752, 5085633440, 10171266880, 20342533760]

約数ペア:

[(1, 20342533760), (2, 10171266880), (4, 5085633440), (5, 4068506752), (8, 2542816720), (10, 2034253376), (16, 1271408360), (20, 1017126688), (32, 635704180), (40, 508563344), (41, 496159360), (61, 333484160), (64, 317852090), (71, 286514560), (80, 254281672), (82, 248079680), (122, 166742080), (128, 158926045), (142, 143257280), (160, 127140836), (164, 124039840), (179, 113645440), (205, 99231872), (244, 83371040), (284, 71628640), (305, 66696832), (320, 63570418), (328, 62019920), (355, 57302912), (358, 56822720), (410, 49615936), (488, 41685520), (568, 35814320), (610, 33348416), (640, 31785209), (656, 31009960), (710, 28651456), (716, 28411360), (820, 24807968), (895, 22729088), (976, 20842760), (1136, 17907160), (1220, 16674208), (1312, 15504980), (1420, 14325728), (1432, 14205680), (1640, 12403984), (1790, 11364544), (1952, 10421380), (2272, 8953580), (2440, 8337104), (2501, 8133760), (2624, 7752490), (2840, 7162864), (2864, 7102840), (2911, 6988160), (3280, 6201992), (3580, 5682272), (3904, 5210690), (4331, 4696960), (4544, 4476790), (4880, 4168552), (5002, 4066880), (5248, 3876245), (5680, 3581432), (5728, 3551420), (5822, 3494080), (6560, 3100996), (7160, 2841136), (7339, 2771840), (7808, 2605345), (8662, 2348480), (9088, 2238395), (9760, 2084276), (10004, 2033440), (10919, 1863040), (11360, 1790716), (11456, 1775710), (11644, 1747040), (12505, 1626752), (12709, 1600640), (13120, 1550498), (14320, 1420568), (14555, 1397632), (14678, 1385920), (17324, 1174240), (19520, 1042138), (20008, 1016720), (21655, 939392), (21838, 931520), (22720, 895358), (22912, 887855), (23288, 873520), (25010, 813376), (25418, 800320), (26240, 775249), (28640, 710284), (29110, 698816), (29356, 692960), (34648, 587120), (36695, 554368), (39040, 521069), (40016, 508360), (43310, 469696), (43676, 465760), (45440, 447679), (46576, 436760), (50020, 406688), (50836, 400160), (54595, 372608), (57280, 355142), (58220, 349408), (58712, 346480), (63545, 320128), (69296, 293560), (73390, 277184), (80032, 254180), (86620, 234848), (87352, 232880), (93152, 218380), (100040, 203344), (101672, 200080), (109190, 186304), (114560, 177571), (116440, 174704), (117424, 173240), (127090, 160064), (138592, 146780)]