256658277540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2740319}}^1$

素因数の和:2740561

約数の個数: 96

約数和(自身を含む): 824989777920

約数和(自身を除く): 568331500380

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, 223, 420, 446, 669, 892, 1115, 1338, 1561, 2230, 2676, 3122, 3345, 4460, 4683, 6244, 6690, 7805, 9366, 13380, 15610, 18732, 23415, 31220, 46830, 93660, 2740319, 5480638, 8220957, 10961276, 13701595, 16441914, 19182233, 27403190, 32883828, 38364466, 41104785, 54806380, 57546699, 76728932, 82209570, 95911165, 115093398, 164419140, 191822330, 230186796, 287733495, 383644660, 575466990, 611091137, 1150933980, 1222182274, 1833273411, 2444364548, 3055455685, 3666546822, 4277637959, 6110911370, 7333093644, 8555275918, 9166367055, 12221822740, 12832913877, 17110551836, 18332734110, 21388189795, 25665827754, 36665468220, 42776379590, 51331655508, 64164569385, 85552759180, 128329138770, 256658277540]

約数ペア:

[(1, 256658277540), (2, 128329138770), (3, 85552759180), (4, 64164569385), (5, 51331655508), (6, 42776379590), (7, 36665468220), (10, 25665827754), (12, 21388189795), (14, 18332734110), (15, 17110551836), (20, 12832913877), (21, 12221822740), (28, 9166367055), (30, 8555275918), (35, 7333093644), (42, 6110911370), (60, 4277637959), (70, 3666546822), (84, 3055455685), (105, 2444364548), (140, 1833273411), (210, 1222182274), (223, 1150933980), (420, 611091137), (446, 575466990), (669, 383644660), (892, 287733495), (1115, 230186796), (1338, 191822330), (1561, 164419140), (2230, 115093398), (2676, 95911165), (3122, 82209570), (3345, 76728932), (4460, 57546699), (4683, 54806380), (6244, 41104785), (6690, 38364466), (7805, 32883828), (9366, 27403190), (13380, 19182233), (15610, 16441914), (18732, 13701595), (23415, 10961276), (31220, 8220957), (46830, 5480638), (93660, 2740319)]