66087890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 72290350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 103, 110, 190, 206, 209, 307, 418, 515, 614, 1030, 1045, 1133, 1535, 1957, 2090, 2266, 3070, 3377, 3914, 5665, 5833, 6754, 9785, 11330, 11666, 16885, 19570, 21527, 29165, 31621, 33770, 43054, 58330, 63242, 64163, 107635, 128326, 158105, 215270, 316210, 320815, 347831, 600799, 641630, 695662, 1201598, 1739155, 3003995, 3478310, 6007990, 6608789, 13217578, 33043945, 66087890]

約数ペア:

[(1, 66087890), (2, 33043945), (5, 13217578), (10, 6608789), (11, 6007990), (19, 3478310), (22, 3003995), (38, 1739155), (55, 1201598), (95, 695662), (103, 641630), (110, 600799), (190, 347831), (206, 320815), (209, 316210), (307, 215270), (418, 158105), (515, 128326), (614, 107635), (1030, 64163), (1045, 63242), (1133, 58330), (1535, 43054), (1957, 33770), (2090, 31621), (2266, 29165), (3070, 21527), (3377, 19570), (3914, 16885), (5665, 11666), (5833, 11330), (6754, 9785)]