285968800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 144

約数和(自身を含む): 776950272

約数和(自身を除く): 490981472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 325, 400, 403, 416, 496, 520, 620, 650, 775, 800, 806, 887, 992, 1040, 1240, 1300, 1550, 1612, 1774, 2015, 2080, 2480, 2600, 3100, 3224, 3548, 4030, 4435, 4960, 5200, 6200, 6448, 7096, 8060, 8870, 10075, 10400, 11531, 12400, 12896, 14192, 16120, 17740, 20150, 22175, 23062, 24800, 27497, 28384, 32240, 35480, 40300, 44350, 46124, 54994, 57655, 64480, 70960, 80600, 88700, 92248, 109988, 115310, 137485, 141920, 161200, 177400, 184496, 219976, 230620, 274970, 288275, 322400, 354800, 357461, 368992, 439952, 461240, 549940, 576550, 687425, 709600, 714922, 879904, 922480, 1099880, 1153100, 1374850, 1429844, 1787305, 1844960, 2199760, 2306200, 2749700, 2859688, 3574610, 4399520, 4612400, 5499400, 5719376, 7149220, 8936525, 9224800, 10998800, 11438752, 14298440, 17873050, 21997600, 28596880, 35746100, 57193760, 71492200, 142984400, 285968800]

約数ペア:

[(1, 285968800), (2, 142984400), (4, 71492200), (5, 57193760), (8, 35746100), (10, 28596880), (13, 21997600), (16, 17873050), (20, 14298440), (25, 11438752), (26, 10998800), (31, 9224800), (32, 8936525), (40, 7149220), (50, 5719376), (52, 5499400), (62, 4612400), (65, 4399520), (80, 3574610), (100, 2859688), (104, 2749700), (124, 2306200), (130, 2199760), (155, 1844960), (160, 1787305), (200, 1429844), (208, 1374850), (248, 1153100), (260, 1099880), (310, 922480), (325, 879904), (400, 714922), (403, 709600), (416, 687425), (496, 576550), (520, 549940), (620, 461240), (650, 439952), (775, 368992), (800, 357461), (806, 354800), (887, 322400), (992, 288275), (1040, 274970), (1240, 230620), (1300, 219976), (1550, 184496), (1612, 177400), (1774, 161200), (2015, 141920), (2080, 137485), (2480, 115310), (2600, 109988), (3100, 92248), (3224, 88700), (3548, 80600), (4030, 70960), (4435, 64480), (4960, 57655), (5200, 54994), (6200, 46124), (6448, 44350), (7096, 40300), (8060, 35480), (8870, 32240), (10075, 28384), (10400, 27497), (11531, 24800), (12400, 23062), (12896, 22175), (14192, 20150), (16120, 17740)]