2798640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 180

約数和(自身を含む): 10619856

約数和(自身を除く): 7821216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 169, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 338, 345, 360, 368, 390, 414, 460, 468, 507, 520, 552, 585, 598, 624, 676, 690, 720, 780, 828, 845, 897, 920, 936, 1014, 1035, 1040, 1104, 1170, 1196, 1352, 1380, 1495, 1521, 1560, 1656, 1690, 1794, 1840, 1872, 2028, 2070, 2340, 2392, 2535, 2691, 2704, 2760, 2990, 3042, 3120, 3312, 3380, 3588, 3887, 4056, 4140, 4485, 4680, 4784, 5070, 5382, 5520, 5980, 6084, 6760, 7176, 7605, 7774, 8112, 8280, 8970, 9360, 10140, 10764, 11661, 11960, 12168, 13455, 13520, 14352, 15210, 15548, 16560, 17940, 19435, 20280, 21528, 23322, 23920, 24336, 26910, 30420, 31096, 34983, 35880, 38870, 40560, 43056, 46644, 53820, 58305, 60840, 62192, 69966, 71760, 77740, 93288, 107640, 116610, 121680, 139932, 155480, 174915, 186576, 215280, 233220, 279864, 310960, 349830, 466440, 559728, 699660, 932880, 1399320, 2798640]

約数ペア:

[(1, 2798640), (2, 1399320), (3, 932880), (4, 699660), (5, 559728), (6, 466440), (8, 349830), (9, 310960), (10, 279864), (12, 233220), (13, 215280), (15, 186576), (16, 174915), (18, 155480), (20, 139932), (23, 121680), (24, 116610), (26, 107640), (30, 93288), (36, 77740), (39, 71760), (40, 69966), (45, 62192), (46, 60840), (48, 58305), (52, 53820), (60, 46644), (65, 43056), (69, 40560), (72, 38870), (78, 35880), (80, 34983), (90, 31096), (92, 30420), (104, 26910), (115, 24336), (117, 23920), (120, 23322), (130, 21528), (138, 20280), (144, 19435), (156, 17940), (169, 16560), (180, 15548), (184, 15210), (195, 14352), (207, 13520), (208, 13455), (230, 12168), (234, 11960), (240, 11661), (260, 10764), (276, 10140), (299, 9360), (312, 8970), (338, 8280), (345, 8112), (360, 7774), (368, 7605), (390, 7176), (414, 6760), (460, 6084), (468, 5980), (507, 5520), (520, 5382), (552, 5070), (585, 4784), (598, 4680), (624, 4485), (676, 4140), (690, 4056), (720, 3887), (780, 3588), (828, 3380), (845, 3312), (897, 3120), (920, 3042), (936, 2990), (1014, 2760), (1035, 2704), (1040, 2691), (1104, 2535), (1170, 2392), (1196, 2340), (1352, 2070), (1380, 2028), (1495, 1872), (1521, 1840), (1560, 1794), (1656, 1690)]