156613960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 372859200

約数和(自身を除く): 216245240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 760, 821, 1004, 1255, 1642, 2008, 2510, 3284, 4105, 4769, 5020, 6568, 8210, 9538, 10040, 15599, 16420, 19076, 23845, 31198, 32840, 38152, 47690, 62396, 77995, 95380, 124792, 155990, 190760, 206071, 311980, 412142, 623960, 824284, 1030355, 1648568, 2060710, 3915349, 4121420, 7830698, 8242840, 15661396, 19576745, 31322792, 39153490, 78306980, 156613960]

約数ペア:

[(1, 156613960), (2, 78306980), (4, 39153490), (5, 31322792), (8, 19576745), (10, 15661396), (19, 8242840), (20, 7830698), (38, 4121420), (40, 3915349), (76, 2060710), (95, 1648568), (152, 1030355), (190, 824284), (251, 623960), (380, 412142), (502, 311980), (760, 206071), (821, 190760), (1004, 155990), (1255, 124792), (1642, 95380), (2008, 77995), (2510, 62396), (3284, 47690), (4105, 38152), (4769, 32840), (5020, 31198), (6568, 23845), (8210, 19076), (9538, 16420), (10040, 15599)]