247252740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1277}}^1$

素因数の和:1757

約数の個数: 96

約数和(自身を含む): 793545984

約数和(自身を除く): 546293244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461, 922, 1277, 1383, 1844, 2305, 2554, 2766, 3227, 3831, 4610, 5108, 5532, 6385, 6454, 6915, 7662, 8939, 9220, 9681, 12770, 12908, 13830, 15324, 16135, 17878, 19155, 19362, 25540, 26817, 27660, 32270, 35756, 38310, 38724, 44695, 48405, 53634, 64540, 76620, 89390, 96810, 107268, 134085, 178780, 193620, 268170, 536340, 588697, 1177394, 1766091, 2354788, 2943485, 3532182, 4120879, 5886970, 7064364, 8241758, 8830455, 11773940, 12362637, 16483516, 17660910, 20604395, 24725274, 35321820, 41208790, 49450548, 61813185, 82417580, 123626370, 247252740]

約数ペア:

[(1, 247252740), (2, 123626370), (3, 82417580), (4, 61813185), (5, 49450548), (6, 41208790), (7, 35321820), (10, 24725274), (12, 20604395), (14, 17660910), (15, 16483516), (20, 12362637), (21, 11773940), (28, 8830455), (30, 8241758), (35, 7064364), (42, 5886970), (60, 4120879), (70, 3532182), (84, 2943485), (105, 2354788), (140, 1766091), (210, 1177394), (420, 588697), (461, 536340), (922, 268170), (1277, 193620), (1383, 178780), (1844, 134085), (2305, 107268), (2554, 96810), (2766, 89390), (3227, 76620), (3831, 64540), (4610, 53634), (5108, 48405), (5532, 44695), (6385, 38724), (6454, 38310), (6915, 35756), (7662, 32270), (8939, 27660), (9220, 26817), (9681, 25540), (12770, 19362), (12908, 19155), (13830, 17878), (15324, 16135)]