65562920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 156340800

約数和(自身を除く): 90777880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 307, 380, 562, 614, 760, 1124, 1228, 1405, 1535, 2248, 2456, 2810, 3070, 5339, 5620, 5833, 6140, 10678, 11240, 11666, 12280, 21356, 23332, 26695, 29165, 42712, 46664, 53390, 58330, 86267, 106780, 116660, 172534, 213560, 233320, 345068, 431335, 690136, 862670, 1639073, 1725340, 3278146, 3450680, 6556292, 8195365, 13112584, 16390730, 32781460, 65562920]

約数ペア:

[(1, 65562920), (2, 32781460), (4, 16390730), (5, 13112584), (8, 8195365), (10, 6556292), (19, 3450680), (20, 3278146), (38, 1725340), (40, 1639073), (76, 862670), (95, 690136), (152, 431335), (190, 345068), (281, 233320), (307, 213560), (380, 172534), (562, 116660), (614, 106780), (760, 86267), (1124, 58330), (1228, 53390), (1405, 46664), (1535, 42712), (2248, 29165), (2456, 26695), (2810, 23332), (3070, 21356), (5339, 12280), (5620, 11666), (5833, 11240), (6140, 10678)]