51526980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{977}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 156992472

約数和(自身を除く): 105465492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 586, 879, 977, 1172, 1465, 1758, 1954, 2637, 2930, 2931, 3516, 3908, 4395, 4885, 5274, 5860, 5862, 8790, 8793, 9770, 10548, 11724, 13185, 14655, 17580, 17586, 19540, 26370, 29310, 35172, 43965, 52740, 58620, 87930, 175860, 286261, 572522, 858783, 1145044, 1431305, 1717566, 2576349, 2862610, 3435132, 4293915, 5152698, 5725220, 8587830, 10305396, 12881745, 17175660, 25763490, 51526980]

約数ペア:

[(1, 51526980), (2, 25763490), (3, 17175660), (4, 12881745), (5, 10305396), (6, 8587830), (9, 5725220), (10, 5152698), (12, 4293915), (15, 3435132), (18, 2862610), (20, 2576349), (30, 1717566), (36, 1431305), (45, 1145044), (60, 858783), (90, 572522), (180, 286261), (293, 175860), (586, 87930), (879, 58620), (977, 52740), (1172, 43965), (1465, 35172), (1758, 29310), (1954, 26370), (2637, 19540), (2930, 17586), (2931, 17580), (3516, 14655), (3908, 13185), (4395, 11724), (4885, 10548), (5274, 9770), (5860, 8793), (5862, 8790)]