661241280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{14057}}^1$

素因数の和:14091

約数の個数: 168

約数和(自身を含む): 2442380688

約数和(自身を除く): 1781139408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1960, 2240, 2352, 2940, 3136, 3360, 3920, 4704, 5880, 6720, 7840, 9408, 11760, 14057, 15680, 23520, 28114, 42171, 47040, 56228, 70285, 84342, 98399, 112456, 140570, 168684, 196798, 210855, 224912, 281140, 295197, 337368, 393596, 421710, 449824, 491995, 562280, 590394, 674736, 688793, 787192, 843420, 899648, 983990, 1124560, 1180788, 1349472, 1377586, 1475985, 1574384, 1686840, 1967980, 2066379, 2249120, 2361576, 2698944, 2755172, 2951970, 3148768, 3373680, 3443965, 3935960, 4132758, 4498240, 4723152, 5510344, 5903940, 6297536, 6747360, 6887930, 7871920, 8265516, 9446304, 10331895, 11020688, 11807880, 13494720, 13775860, 15743840, 16531032, 18892608, 20663790, 22041376, 23615760, 27551720, 31487680, 33062064, 41327580, 44082752, 47231520, 55103440, 66124128, 82655160, 94463040, 110206880, 132248256, 165310320, 220413760, 330620640, 661241280]

約数ペア:

[(1, 661241280), (2, 330620640), (3, 220413760), (4, 165310320), (5, 132248256), (6, 110206880), (7, 94463040), (8, 82655160), (10, 66124128), (12, 55103440), (14, 47231520), (15, 44082752), (16, 41327580), (20, 33062064), (21, 31487680), (24, 27551720), (28, 23615760), (30, 22041376), (32, 20663790), (35, 18892608), (40, 16531032), (42, 15743840), (48, 13775860), (49, 13494720), (56, 11807880), (60, 11020688), (64, 10331895), (70, 9446304), (80, 8265516), (84, 7871920), (96, 6887930), (98, 6747360), (105, 6297536), (112, 5903940), (120, 5510344), (140, 4723152), (147, 4498240), (160, 4132758), (168, 3935960), (192, 3443965), (196, 3373680), (210, 3148768), (224, 2951970), (240, 2755172), (245, 2698944), (280, 2361576), (294, 2249120), (320, 2066379), (336, 1967980), (392, 1686840), (420, 1574384), (448, 1475985), (480, 1377586), (490, 1349472), (560, 1180788), (588, 1124560), (672, 983990), (735, 899648), (784, 843420), (840, 787192), (960, 688793), (980, 674736), (1120, 590394), (1176, 562280), (1344, 491995), (1470, 449824), (1568, 421710), (1680, 393596), (1960, 337368), (2240, 295197), (2352, 281140), (2940, 224912), (3136, 210855), (3360, 196798), (3920, 168684), (4704, 140570), (5880, 112456), (6720, 98399), (7840, 84342), (9408, 70285), (11760, 56228), (14057, 47040), (15680, 42171), (23520, 28114)]