156569840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 445685760

約数和(自身を除く): 289115920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 311, 406, 434, 464, 496, 560, 580, 620, 622, 812, 868, 899, 1015, 1085, 1160, 1240, 1244, 1555, 1624, 1736, 1798, 2030, 2170, 2177, 2320, 2480, 2488, 3110, 3248, 3472, 3596, 4060, 4340, 4354, 4495, 4976, 6220, 6293, 7192, 8120, 8680, 8708, 8990, 9019, 9641, 10885, 12440, 12586, 14384, 16240, 17360, 17416, 17980, 18038, 19282, 21770, 24880, 25172, 31465, 34832, 35960, 36076, 38564, 43540, 45095, 48205, 50344, 62930, 63133, 67487, 71920, 72152, 77128, 87080, 90190, 96410, 100688, 125860, 126266, 134974, 144304, 154256, 174160, 180380, 192820, 251720, 252532, 269948, 279589, 315665, 337435, 360760, 385640, 503440, 505064, 539896, 559178, 631330, 674870, 721520, 771280, 1010128, 1079792, 1118356, 1262660, 1349740, 1397945, 1957123, 2236712, 2525320, 2699480, 2795890, 3914246, 4473424, 5050640, 5398960, 5591780, 7828492, 9785615, 11183560, 15656984, 19571230, 22367120, 31313968, 39142460, 78284920, 156569840]

約数ペア:

[(1, 156569840), (2, 78284920), (4, 39142460), (5, 31313968), (7, 22367120), (8, 19571230), (10, 15656984), (14, 11183560), (16, 9785615), (20, 7828492), (28, 5591780), (29, 5398960), (31, 5050640), (35, 4473424), (40, 3914246), (56, 2795890), (58, 2699480), (62, 2525320), (70, 2236712), (80, 1957123), (112, 1397945), (116, 1349740), (124, 1262660), (140, 1118356), (145, 1079792), (155, 1010128), (203, 771280), (217, 721520), (232, 674870), (248, 631330), (280, 559178), (290, 539896), (310, 505064), (311, 503440), (406, 385640), (434, 360760), (464, 337435), (496, 315665), (560, 279589), (580, 269948), (620, 252532), (622, 251720), (812, 192820), (868, 180380), (899, 174160), (1015, 154256), (1085, 144304), (1160, 134974), (1240, 126266), (1244, 125860), (1555, 100688), (1624, 96410), (1736, 90190), (1798, 87080), (2030, 77128), (2170, 72152), (2177, 71920), (2320, 67487), (2480, 63133), (2488, 62930), (3110, 50344), (3248, 48205), (3472, 45095), (3596, 43540), (4060, 38564), (4340, 36076), (4354, 35960), (4495, 34832), (4976, 31465), (6220, 25172), (6293, 24880), (7192, 21770), (8120, 19282), (8680, 18038), (8708, 17980), (8990, 17416), (9019, 17360), (9641, 16240), (10885, 14384), (12440, 12586)]