31607940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 111004992

約数和(自身を除く): 79397052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 827, 910, 980, 1092, 1274, 1365, 1470, 1654, 1820, 1911, 2481, 2548, 2730, 2940, 3185, 3308, 3822, 4135, 4962, 5460, 5789, 6370, 7644, 8270, 9555, 9924, 10751, 11578, 12405, 12740, 16540, 17367, 19110, 21502, 23156, 24810, 28945, 32253, 34734, 38220, 40523, 43004, 49620, 53755, 57890, 64506, 69468, 75257, 81046, 86835, 107510, 115780, 121569, 129012, 150514, 161265, 162092, 173670, 202615, 215020, 225771, 243138, 301028, 322530, 347340, 376285, 405230, 451542, 486276, 526799, 607845, 645060, 752570, 810460, 903084, 1053598, 1128855, 1215690, 1505140, 1580397, 2107196, 2257710, 2431380, 2633995, 3160794, 4515420, 5267990, 6321588, 7901985, 10535980, 15803970, 31607940]

約数ペア:

[(1, 31607940), (2, 15803970), (3, 10535980), (4, 7901985), (5, 6321588), (6, 5267990), (7, 4515420), (10, 3160794), (12, 2633995), (13, 2431380), (14, 2257710), (15, 2107196), (20, 1580397), (21, 1505140), (26, 1215690), (28, 1128855), (30, 1053598), (35, 903084), (39, 810460), (42, 752570), (49, 645060), (52, 607845), (60, 526799), (65, 486276), (70, 451542), (78, 405230), (84, 376285), (91, 347340), (98, 322530), (105, 301028), (130, 243138), (140, 225771), (147, 215020), (156, 202615), (182, 173670), (195, 162092), (196, 161265), (210, 150514), (245, 129012), (260, 121569), (273, 115780), (294, 107510), (364, 86835), (390, 81046), (420, 75257), (455, 69468), (490, 64506), (546, 57890), (588, 53755), (637, 49620), (735, 43004), (780, 40523), (827, 38220), (910, 34734), (980, 32253), (1092, 28945), (1274, 24810), (1365, 23156), (1470, 21502), (1654, 19110), (1820, 17367), (1911, 16540), (2481, 12740), (2548, 12405), (2730, 11578), (2940, 10751), (3185, 9924), (3308, 9555), (3822, 8270), (4135, 7644), (4962, 6370), (5460, 5789)]