68619990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 175690944

約数和(自身を除く): 107070954

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 157, 170, 255, 314, 471, 510, 785, 857, 942, 1570, 1714, 2355, 2571, 2669, 4285, 4710, 5142, 5338, 8007, 8570, 12855, 13345, 14569, 16014, 25710, 26690, 29138, 40035, 43707, 72845, 80070, 87414, 134549, 145690, 218535, 269098, 403647, 437070, 672745, 807294, 1345490, 2018235, 2287333, 4036470, 4574666, 6861999, 11436665, 13723998, 22873330, 34309995, 68619990]

約数ペア:

[(1, 68619990), (2, 34309995), (3, 22873330), (5, 13723998), (6, 11436665), (10, 6861999), (15, 4574666), (17, 4036470), (30, 2287333), (34, 2018235), (51, 1345490), (85, 807294), (102, 672745), (157, 437070), (170, 403647), (255, 269098), (314, 218535), (471, 145690), (510, 134549), (785, 87414), (857, 80070), (942, 72845), (1570, 43707), (1714, 40035), (2355, 29138), (2571, 26690), (2669, 25710), (4285, 16014), (4710, 14569), (5142, 13345), (5338, 12855), (8007, 8570)]