80981340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4283

約数の個数: 96

約数和(自身を含む): 255951360

約数和(自身を除く): 174970020

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1276, 1595, 1740, 1914, 3190, 3828, 4231, 4785, 6380, 8462, 9570, 12693, 16924, 19140, 21155, 25386, 42310, 46541, 50772, 63465, 84620, 93082, 122699, 126930, 139623, 186164, 232705, 245398, 253860, 279246, 368097, 465410, 490796, 558492, 613495, 698115, 736194, 930820, 1226990, 1349689, 1396230, 1472388, 1840485, 2453980, 2699378, 2792460, 3680970, 4049067, 5398756, 6748445, 7361940, 8098134, 13496890, 16196268, 20245335, 26993780, 40490670, 80981340]

約数ペア:

[(1, 80981340), (2, 40490670), (3, 26993780), (4, 20245335), (5, 16196268), (6, 13496890), (10, 8098134), (11, 7361940), (12, 6748445), (15, 5398756), (20, 4049067), (22, 3680970), (29, 2792460), (30, 2699378), (33, 2453980), (44, 1840485), (55, 1472388), (58, 1396230), (60, 1349689), (66, 1226990), (87, 930820), (110, 736194), (116, 698115), (132, 613495), (145, 558492), (165, 490796), (174, 465410), (220, 368097), (290, 279246), (319, 253860), (330, 245398), (348, 232705), (435, 186164), (580, 139623), (638, 126930), (660, 122699), (870, 93082), (957, 84620), (1276, 63465), (1595, 50772), (1740, 46541), (1914, 42310), (3190, 25386), (3828, 21155), (4231, 19140), (4785, 16924), (6380, 12693), (8462, 9570)]