645983580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31573}}^1$

素因数の和:31627

約数の個数: 96

約数和(自身を含む): 2036901888

約数和(自身を除く): 1390918308

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 4092, 5115, 6820, 10230, 20460, 31573, 63146, 94719, 126292, 157865, 189438, 315730, 347303, 378876, 473595, 631460, 694606, 947190, 978763, 1041909, 1389212, 1736515, 1894380, 1957526, 2083818, 2936289, 3473030, 3915052, 4167636, 4893815, 5209545, 5872578, 6946060, 9787630, 10419090, 10766393, 11745156, 14681445, 19575260, 20838180, 21532786, 29362890, 32299179, 43065572, 53831965, 58725780, 64598358, 107663930, 129196716, 161495895, 215327860, 322991790, 645983580]

約数ペア:

[(1, 645983580), (2, 322991790), (3, 215327860), (4, 161495895), (5, 129196716), (6, 107663930), (10, 64598358), (11, 58725780), (12, 53831965), (15, 43065572), (20, 32299179), (22, 29362890), (30, 21532786), (31, 20838180), (33, 19575260), (44, 14681445), (55, 11745156), (60, 10766393), (62, 10419090), (66, 9787630), (93, 6946060), (110, 5872578), (124, 5209545), (132, 4893815), (155, 4167636), (165, 3915052), (186, 3473030), (220, 2936289), (310, 2083818), (330, 1957526), (341, 1894380), (372, 1736515), (465, 1389212), (620, 1041909), (660, 978763), (682, 947190), (930, 694606), (1023, 631460), (1364, 473595), (1705, 378876), (1860, 347303), (2046, 315730), (3410, 189438), (4092, 157865), (5115, 126292), (6820, 94719), (10230, 63146), (20460, 31573)]