28996240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 84603960

約数和(自身を除く): 55607720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 569, 637, 728, 784, 910, 980, 1040, 1138, 1274, 1456, 1820, 1960, 2276, 2548, 2845, 3185, 3640, 3920, 3983, 4552, 5096, 5690, 6370, 7280, 7397, 7966, 9104, 10192, 11380, 12740, 14794, 15932, 19915, 22760, 25480, 27881, 29588, 31864, 36985, 39830, 45520, 50960, 51779, 55762, 59176, 63728, 73970, 79660, 103558, 111524, 118352, 139405, 147940, 159320, 207116, 223048, 258895, 278810, 295880, 318640, 362453, 414232, 446096, 517790, 557620, 591760, 724906, 828464, 1035580, 1115240, 1449812, 1812265, 2071160, 2230480, 2899624, 3624530, 4142320, 5799248, 7249060, 14498120, 28996240]

約数ペア:

[(1, 28996240), (2, 14498120), (4, 7249060), (5, 5799248), (7, 4142320), (8, 3624530), (10, 2899624), (13, 2230480), (14, 2071160), (16, 1812265), (20, 1449812), (26, 1115240), (28, 1035580), (35, 828464), (40, 724906), (49, 591760), (52, 557620), (56, 517790), (65, 446096), (70, 414232), (80, 362453), (91, 318640), (98, 295880), (104, 278810), (112, 258895), (130, 223048), (140, 207116), (182, 159320), (196, 147940), (208, 139405), (245, 118352), (260, 111524), (280, 103558), (364, 79660), (392, 73970), (455, 63728), (490, 59176), (520, 55762), (560, 51779), (569, 50960), (637, 45520), (728, 39830), (784, 36985), (910, 31864), (980, 29588), (1040, 27881), (1138, 25480), (1274, 22760), (1456, 19915), (1820, 15932), (1960, 14794), (2276, 12740), (2548, 11380), (2845, 10192), (3185, 9104), (3640, 7966), (3920, 7397), (3983, 7280), (4552, 6370), (5096, 5690)]