87273680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2764

約数の個数: 80

約数和(自身を含む): 225652224

約数和(自身を除く): 138378544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2707, 3224, 4030, 5414, 6448, 8060, 10828, 13535, 16120, 21656, 27070, 32240, 35191, 43312, 54140, 70382, 83917, 108280, 140764, 167834, 175955, 216560, 281528, 335668, 351910, 419585, 563056, 671336, 703820, 839170, 1090921, 1342672, 1407640, 1678340, 2181842, 2815280, 3356680, 4363684, 5454605, 6713360, 8727368, 10909210, 17454736, 21818420, 43636840, 87273680]

約数ペア:

[(1, 87273680), (2, 43636840), (4, 21818420), (5, 17454736), (8, 10909210), (10, 8727368), (13, 6713360), (16, 5454605), (20, 4363684), (26, 3356680), (31, 2815280), (40, 2181842), (52, 1678340), (62, 1407640), (65, 1342672), (80, 1090921), (104, 839170), (124, 703820), (130, 671336), (155, 563056), (208, 419585), (248, 351910), (260, 335668), (310, 281528), (403, 216560), (496, 175955), (520, 167834), (620, 140764), (806, 108280), (1040, 83917), (1240, 70382), (1612, 54140), (2015, 43312), (2480, 35191), (2707, 32240), (3224, 27070), (4030, 21656), (5414, 16120), (6448, 13535), (8060, 10828)]