1020797440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:902

約数の個数: 160

約数和(自身を含む): 2710295280

約数和(自身を除く): 1689497840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 370, 416, 481, 512, 520, 592, 640, 740, 829, 832, 962, 1040, 1184, 1280, 1480, 1658, 1664, 1924, 2080, 2368, 2405, 2560, 2960, 3316, 3328, 3848, 4145, 4160, 4736, 4810, 5920, 6632, 6656, 7696, 8290, 8320, 9472, 9620, 10777, 11840, 13264, 15392, 16580, 16640, 18944, 19240, 21554, 23680, 26528, 30673, 30784, 33160, 33280, 38480, 43108, 47360, 53056, 53885, 61346, 61568, 66320, 76960, 86216, 94720, 106112, 107770, 122692, 123136, 132640, 153365, 153920, 172432, 212224, 215540, 245384, 246272, 265280, 306730, 307840, 344864, 398749, 424448, 431080, 490768, 530560, 613460, 615680, 689728, 797498, 862160, 981536, 1061120, 1226920, 1231360, 1379456, 1594996, 1724320, 1963072, 1993745, 2122240, 2453840, 2758912, 3189992, 3448640, 3926144, 3987490, 4907680, 5517824, 6379984, 6897280, 7852288, 7974980, 9815360, 12759968, 13794560, 15704576, 15949960, 19630720, 25519936, 27589120, 31899920, 39261440, 51039872, 63799840, 78522880, 102079744, 127599680, 204159488, 255199360, 510398720, 1020797440]

約数ペア:

[(1, 1020797440), (2, 510398720), (4, 255199360), (5, 204159488), (8, 127599680), (10, 102079744), (13, 78522880), (16, 63799840), (20, 51039872), (26, 39261440), (32, 31899920), (37, 27589120), (40, 25519936), (52, 19630720), (64, 15949960), (65, 15704576), (74, 13794560), (80, 12759968), (104, 9815360), (128, 7974980), (130, 7852288), (148, 6897280), (160, 6379984), (185, 5517824), (208, 4907680), (256, 3987490), (260, 3926144), (296, 3448640), (320, 3189992), (370, 2758912), (416, 2453840), (481, 2122240), (512, 1993745), (520, 1963072), (592, 1724320), (640, 1594996), (740, 1379456), (829, 1231360), (832, 1226920), (962, 1061120), (1040, 981536), (1184, 862160), (1280, 797498), (1480, 689728), (1658, 615680), (1664, 613460), (1924, 530560), (2080, 490768), (2368, 431080), (2405, 424448), (2560, 398749), (2960, 344864), (3316, 307840), (3328, 306730), (3848, 265280), (4145, 246272), (4160, 245384), (4736, 215540), (4810, 212224), (5920, 172432), (6632, 153920), (6656, 153365), (7696, 132640), (8290, 123136), (8320, 122692), (9472, 107770), (9620, 106112), (10777, 94720), (11840, 86216), (13264, 76960), (15392, 66320), (16580, 61568), (16640, 61346), (18944, 53885), (19240, 53056), (21554, 47360), (23680, 43108), (26528, 38480), (30673, 33280), (30784, 33160)]