64865240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7759}}^1$

素因数の和:7800

約数の個数: 64

約数和(自身を含む): 167616000

約数和(自身を除く): 102750760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 7759, 8360, 15518, 31036, 38795, 62072, 77590, 85349, 147421, 155180, 170698, 294842, 310360, 341396, 426745, 589684, 682792, 737105, 853490, 1179368, 1474210, 1621631, 1706980, 2948420, 3243262, 3413960, 5896840, 6486524, 8108155, 12973048, 16216310, 32432620, 64865240]

約数ペア:

[(1, 64865240), (2, 32432620), (4, 16216310), (5, 12973048), (8, 8108155), (10, 6486524), (11, 5896840), (19, 3413960), (20, 3243262), (22, 2948420), (38, 1706980), (40, 1621631), (44, 1474210), (55, 1179368), (76, 853490), (88, 737105), (95, 682792), (110, 589684), (152, 426745), (190, 341396), (209, 310360), (220, 294842), (380, 170698), (418, 155180), (440, 147421), (760, 85349), (836, 77590), (1045, 62072), (1672, 38795), (2090, 31036), (4180, 15518), (7759, 8360)]