64650720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{367}}^2$

素因数の和:752

約数の個数: 72

約数和(自身を含む): 204206184

約数和(自身を除く): 139555464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 367, 480, 734, 1101, 1468, 1835, 2202, 2936, 3670, 4404, 5505, 5872, 7340, 8808, 11010, 11744, 14680, 17616, 22020, 29360, 35232, 44040, 58720, 88080, 134689, 176160, 269378, 404067, 538756, 673445, 808134, 1077512, 1346890, 1616268, 2020335, 2155024, 2693780, 3232536, 4040670, 4310048, 5387560, 6465072, 8081340, 10775120, 12930144, 16162680, 21550240, 32325360, 64650720]

約数ペア:

[(1, 64650720), (2, 32325360), (3, 21550240), (4, 16162680), (5, 12930144), (6, 10775120), (8, 8081340), (10, 6465072), (12, 5387560), (15, 4310048), (16, 4040670), (20, 3232536), (24, 2693780), (30, 2155024), (32, 2020335), (40, 1616268), (48, 1346890), (60, 1077512), (80, 808134), (96, 673445), (120, 538756), (160, 404067), (240, 269378), (367, 176160), (480, 134689), (734, 88080), (1101, 58720), (1468, 44040), (1835, 35232), (2202, 29360), (2936, 22020), (3670, 17616), (4404, 14680), (5505, 11744), (5872, 11010), (7340, 8808)]