20380084480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 288

約数和(自身を含む): 58019512320

約数和(自身を除く): 37639427840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 239, 248, 256, 280, 307, 310, 320, 434, 448, 478, 496, 560, 614, 620, 640, 868, 896, 956, 992, 1085, 1120, 1195, 1228, 1240, 1280, 1535, 1673, 1736, 1792, 1912, 1984, 2149, 2170, 2240, 2390, 2456, 2480, 3070, 3346, 3472, 3824, 3968, 4298, 4340, 4480, 4780, 4912, 4960, 6140, 6692, 6944, 7409, 7648, 7936, 8365, 8596, 8680, 8960, 9517, 9560, 9824, 9920, 10745, 12280, 13384, 13888, 14818, 15296, 16730, 17192, 17360, 19034, 19120, 19648, 19840, 21490, 24560, 26768, 27776, 29636, 30592, 33460, 34384, 34720, 37045, 38068, 38240, 39296, 39680, 42980, 47585, 49120, 51863, 53536, 55552, 59272, 61184, 66619, 66920, 68768, 69440, 73373, 74090, 76136, 76480, 78592, 85960, 95170, 98240, 103726, 107072, 118544, 133238, 133840, 137536, 138880, 146746, 148180, 152272, 152960, 171920, 190340, 196480, 207452, 214144, 237088, 259315, 266476, 267680, 275072, 277760, 293492, 296360, 304544, 305920, 333095, 343840, 366865, 380680, 392960, 414904, 428288, 474176, 513611, 518630, 532952, 535360, 550144, 586984, 592720, 609088, 666190, 687680, 733730, 761360, 829808, 948352, 1027222, 1037260, 1065904, 1070720, 1173968, 1185440, 1218176, 1332380, 1375360, 1467460, 1522720, 1659616, 1896704, 2054444, 2074520, 2131808, 2141440, 2274563, 2347936, 2370880, 2436352, 2568055, 2664760, 2750720, 2934920, 3045440, 3319232, 4108888, 4149040, 4263616, 4549126, 4695872, 4741760, 5136110, 5329520, 5869840, 6090880, 6638464, 8217776, 8298080, 8527232, 9098252, 9391744, 9483520, 10272220, 10659040, 11372815, 11739680, 12181760, 13276928, 15921941, 16435552, 16596160, 17054464, 18196504, 18783488, 20544440, 21318080, 22745630, 23479360, 31843882, 32871104, 33192320, 36393008, 41088880, 42636160, 45491260, 46958720, 63687764, 65742208, 66384640, 72786016, 79609705, 82177760, 85272320, 90982520, 93917440, 127375528, 131484416, 145572032, 159219410, 164355520, 181965040, 254751056, 291144064, 318438820, 328711040, 363930080, 509502112, 582288128, 636877640, 657422080, 727860160, 1019004224, 1273755280, 1455720320, 2038008448, 2547510560, 2911440640, 4076016896, 5095021120, 10190042240, 20380084480]

約数ペア:

[(1, 20380084480), (2, 10190042240), (4, 5095021120), (5, 4076016896), (7, 2911440640), (8, 2547510560), (10, 2038008448), (14, 1455720320), (16, 1273755280), (20, 1019004224), (28, 727860160), (31, 657422080), (32, 636877640), (35, 582288128), (40, 509502112), (56, 363930080), (62, 328711040), (64, 318438820), (70, 291144064), (80, 254751056), (112, 181965040), (124, 164355520), (128, 159219410), (140, 145572032), (155, 131484416), (160, 127375528), (217, 93917440), (224, 90982520), (239, 85272320), (248, 82177760), (256, 79609705), (280, 72786016), (307, 66384640), (310, 65742208), (320, 63687764), (434, 46958720), (448, 45491260), (478, 42636160), (496, 41088880), (560, 36393008), (614, 33192320), (620, 32871104), (640, 31843882), (868, 23479360), (896, 22745630), (956, 21318080), (992, 20544440), (1085, 18783488), (1120, 18196504), (1195, 17054464), (1228, 16596160), (1240, 16435552), (1280, 15921941), (1535, 13276928), (1673, 12181760), (1736, 11739680), (1792, 11372815), (1912, 10659040), (1984, 10272220), (2149, 9483520), (2170, 9391744), (2240, 9098252), (2390, 8527232), (2456, 8298080), (2480, 8217776), (3070, 6638464), (3346, 6090880), (3472, 5869840), (3824, 5329520), (3968, 5136110), (4298, 4741760), (4340, 4695872), (4480, 4549126), (4780, 4263616), (4912, 4149040), (4960, 4108888), (6140, 3319232), (6692, 3045440), (6944, 2934920), (7409, 2750720), (7648, 2664760), (7936, 2568055), (8365, 2436352), (8596, 2370880), (8680, 2347936), (8960, 2274563), (9517, 2141440), (9560, 2131808), (9824, 2074520), (9920, 2054444), (10745, 1896704), (12280, 1659616), (13384, 1522720), (13888, 1467460), (14818, 1375360), (15296, 1332380), (16730, 1218176), (17192, 1185440), (17360, 1173968), (19034, 1070720), (19120, 1065904), (19648, 1037260), (19840, 1027222), (21490, 948352), (24560, 829808), (26768, 761360), (27776, 733730), (29636, 687680), (30592, 666190), (33460, 609088), (34384, 592720), (34720, 586984), (37045, 550144), (38068, 535360), (38240, 532952), (39296, 518630), (39680, 513611), (42980, 474176), (47585, 428288), (49120, 414904), (51863, 392960), (53536, 380680), (55552, 366865), (59272, 343840), (61184, 333095), (66619, 305920), (66920, 304544), (68768, 296360), (69440, 293492), (73373, 277760), (74090, 275072), (76136, 267680), (76480, 266476), (78592, 259315), (85960, 237088), (95170, 214144), (98240, 207452), (103726, 196480), (107072, 190340), (118544, 171920), (133238, 152960), (133840, 152272), (137536, 148180), (138880, 146746)]