66398490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10391}}^1$

素因数の和:10475

約数の個数: 48

約数和(自身を含む): 175084416

約数和(自身を除く): 108685926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 10391, 20782, 31173, 51955, 62346, 93519, 103910, 155865, 187038, 311730, 467595, 737761, 935190, 1475522, 2213283, 3688805, 4426566, 6639849, 7377610, 11066415, 13279698, 22132830, 33199245, 66398490]

約数ペア:

[(1, 66398490), (2, 33199245), (3, 22132830), (5, 13279698), (6, 11066415), (9, 7377610), (10, 6639849), (15, 4426566), (18, 3688805), (30, 2213283), (45, 1475522), (71, 935190), (90, 737761), (142, 467595), (213, 311730), (355, 187038), (426, 155865), (639, 103910), (710, 93519), (1065, 62346), (1278, 51955), (2130, 31173), (3195, 20782), (6390, 10391)]