153839960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 369619200

約数和(自身を除く): 215779240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 2851, 5396, 5702, 6745, 10792, 11404, 13490, 14255, 22808, 26980, 28510, 53960, 54169, 57020, 108338, 114040, 202421, 216676, 270845, 404842, 433352, 541690, 809684, 1012105, 1083380, 1619368, 2024210, 2166760, 3845999, 4048420, 7691998, 8096840, 15383996, 19229995, 30767992, 38459990, 76919980, 153839960]

約数ペア:

[(1, 153839960), (2, 76919980), (4, 38459990), (5, 30767992), (8, 19229995), (10, 15383996), (19, 8096840), (20, 7691998), (38, 4048420), (40, 3845999), (71, 2166760), (76, 2024210), (95, 1619368), (142, 1083380), (152, 1012105), (190, 809684), (284, 541690), (355, 433352), (380, 404842), (568, 270845), (710, 216676), (760, 202421), (1349, 114040), (1420, 108338), (2698, 57020), (2840, 54169), (2851, 53960), (5396, 28510), (5702, 26980), (6745, 22808), (10792, 14255), (11404, 13490)]