1381754920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 256

約数和(自身を含む): 3999744000

約数和(自身を除く): 2617989080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 61, 65, 70, 91, 98, 104, 122, 127, 130, 140, 182, 196, 244, 245, 254, 260, 280, 305, 343, 364, 392, 427, 455, 488, 490, 508, 520, 610, 635, 637, 686, 728, 793, 854, 889, 910, 980, 1016, 1220, 1270, 1274, 1372, 1586, 1651, 1708, 1715, 1778, 1820, 1960, 2135, 2440, 2540, 2548, 2744, 2989, 3172, 3185, 3302, 3416, 3430, 3556, 3640, 3965, 4270, 4445, 4459, 5080, 5096, 5551, 5978, 6223, 6344, 6370, 6604, 6860, 7112, 7747, 7930, 8255, 8540, 8890, 8918, 11102, 11557, 11956, 12446, 12740, 13208, 13720, 14945, 15494, 15860, 16510, 17080, 17780, 17836, 20923, 22204, 22295, 23114, 23912, 24892, 25480, 27755, 29890, 30988, 31115, 31720, 33020, 35560, 35672, 38735, 38857, 41846, 43561, 44408, 44590, 46228, 49784, 54229, 55510, 57785, 59780, 61976, 62230, 66040, 77470, 77714, 80899, 83692, 87122, 89180, 92456, 100711, 104615, 108458, 111020, 115570, 119560, 124460, 154940, 155428, 161798, 167384, 174244, 178360, 194285, 201422, 209230, 216916, 217805, 222040, 231140, 248920, 271145, 271999, 309880, 310856, 323596, 348488, 379603, 388570, 402844, 404495, 418460, 433832, 435610, 462280, 503555, 542290, 543998, 566293, 647192, 704977, 759206, 777140, 805688, 808990, 836920, 871220, 1007110, 1084580, 1087996, 1132586, 1359995, 1409954, 1518412, 1554280, 1617980, 1742440, 1898015, 2014220, 2169160, 2175992, 2265172, 2657221, 2719990, 2819908, 2831465, 3036824, 3235960, 3524885, 3796030, 4028440, 4530344, 4934839, 5314442, 5439980, 5639816, 5662930, 7049770, 7592060, 9869678, 10628884, 10879960, 11325860, 13286105, 14099540, 15184120, 19739356, 21257768, 22651720, 24674195, 26572210, 28199080, 34543873, 39478712, 49348390, 53144420, 69087746, 98696780, 106288840, 138175492, 172719365, 197393560, 276350984, 345438730, 690877460, 1381754920]

約数ペア:

[(1, 1381754920), (2, 690877460), (4, 345438730), (5, 276350984), (7, 197393560), (8, 172719365), (10, 138175492), (13, 106288840), (14, 98696780), (20, 69087746), (26, 53144420), (28, 49348390), (35, 39478712), (40, 34543873), (49, 28199080), (52, 26572210), (56, 24674195), (61, 22651720), (65, 21257768), (70, 19739356), (91, 15184120), (98, 14099540), (104, 13286105), (122, 11325860), (127, 10879960), (130, 10628884), (140, 9869678), (182, 7592060), (196, 7049770), (244, 5662930), (245, 5639816), (254, 5439980), (260, 5314442), (280, 4934839), (305, 4530344), (343, 4028440), (364, 3796030), (392, 3524885), (427, 3235960), (455, 3036824), (488, 2831465), (490, 2819908), (508, 2719990), (520, 2657221), (610, 2265172), (635, 2175992), (637, 2169160), (686, 2014220), (728, 1898015), (793, 1742440), (854, 1617980), (889, 1554280), (910, 1518412), (980, 1409954), (1016, 1359995), (1220, 1132586), (1270, 1087996), (1274, 1084580), (1372, 1007110), (1586, 871220), (1651, 836920), (1708, 808990), (1715, 805688), (1778, 777140), (1820, 759206), (1960, 704977), (2135, 647192), (2440, 566293), (2540, 543998), (2548, 542290), (2744, 503555), (2989, 462280), (3172, 435610), (3185, 433832), (3302, 418460), (3416, 404495), (3430, 402844), (3556, 388570), (3640, 379603), (3965, 348488), (4270, 323596), (4445, 310856), (4459, 309880), (5080, 271999), (5096, 271145), (5551, 248920), (5978, 231140), (6223, 222040), (6344, 217805), (6370, 216916), (6604, 209230), (6860, 201422), (7112, 194285), (7747, 178360), (7930, 174244), (8255, 167384), (8540, 161798), (8890, 155428), (8918, 154940), (11102, 124460), (11557, 119560), (11956, 115570), (12446, 111020), (12740, 108458), (13208, 104615), (13720, 100711), (14945, 92456), (15494, 89180), (15860, 87122), (16510, 83692), (17080, 80899), (17780, 77714), (17836, 77470), (20923, 66040), (22204, 62230), (22295, 61976), (23114, 59780), (23912, 57785), (24892, 55510), (25480, 54229), (27755, 49784), (29890, 46228), (30988, 44590), (31115, 44408), (31720, 43561), (33020, 41846), (35560, 38857), (35672, 38735)]