1280629220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2693}}^1$

素因数の和:2805

約数の個数: 96

約数和(自身を含む): 3041418240

約数和(自身を除く): 1760789020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 59, 62, 65, 118, 124, 130, 155, 236, 260, 295, 310, 403, 590, 620, 767, 806, 1180, 1534, 1612, 1829, 2015, 2693, 3068, 3658, 3835, 4030, 5386, 7316, 7670, 8060, 9145, 10772, 13465, 15340, 18290, 23777, 26930, 35009, 36580, 47554, 53860, 70018, 83483, 95108, 118885, 140036, 158887, 166966, 175045, 237770, 317774, 333932, 350090, 417415, 475540, 635548, 700180, 794435, 834830, 1085279, 1588870, 1669660, 2065531, 2170558, 3177740, 4131062, 4341116, 4925497, 5426395, 8262124, 9850994, 10327655, 10852790, 19701988, 20655310, 21705580, 24627485, 41310620, 49254970, 64031461, 98509940, 128062922, 256125844, 320157305, 640314610, 1280629220]

約数ペア:

[(1, 1280629220), (2, 640314610), (4, 320157305), (5, 256125844), (10, 128062922), (13, 98509940), (20, 64031461), (26, 49254970), (31, 41310620), (52, 24627485), (59, 21705580), (62, 20655310), (65, 19701988), (118, 10852790), (124, 10327655), (130, 9850994), (155, 8262124), (236, 5426395), (260, 4925497), (295, 4341116), (310, 4131062), (403, 3177740), (590, 2170558), (620, 2065531), (767, 1669660), (806, 1588870), (1180, 1085279), (1534, 834830), (1612, 794435), (1829, 700180), (2015, 635548), (2693, 475540), (3068, 417415), (3658, 350090), (3835, 333932), (4030, 317774), (5386, 237770), (7316, 175045), (7670, 166966), (8060, 158887), (9145, 140036), (10772, 118885), (13465, 95108), (15340, 83483), (18290, 70018), (23777, 53860), (26930, 47554), (35009, 36580)]