66071640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 212751360

約数和(自身を除く): 146679720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 647, 690, 740, 851, 888, 920, 1110, 1294, 1380, 1480, 1702, 1941, 2220, 2553, 2588, 2760, 3235, 3404, 3882, 4255, 4440, 5106, 5176, 6470, 6808, 7764, 8510, 9705, 10212, 12765, 12940, 14881, 15528, 17020, 19410, 20424, 23939, 25530, 25880, 29762, 34040, 38820, 44643, 47878, 51060, 59524, 71817, 74405, 77640, 89286, 95756, 102120, 119048, 119695, 143634, 148810, 178572, 191512, 223215, 239390, 287268, 297620, 357144, 359085, 446430, 478780, 550597, 574536, 595240, 718170, 892860, 957560, 1101194, 1436340, 1651791, 1785720, 2202388, 2752985, 2872680, 3303582, 4404776, 5505970, 6607164, 8258955, 11011940, 13214328, 16517910, 22023880, 33035820, 66071640]

約数ペア:

[(1, 66071640), (2, 33035820), (3, 22023880), (4, 16517910), (5, 13214328), (6, 11011940), (8, 8258955), (10, 6607164), (12, 5505970), (15, 4404776), (20, 3303582), (23, 2872680), (24, 2752985), (30, 2202388), (37, 1785720), (40, 1651791), (46, 1436340), (60, 1101194), (69, 957560), (74, 892860), (92, 718170), (111, 595240), (115, 574536), (120, 550597), (138, 478780), (148, 446430), (184, 359085), (185, 357144), (222, 297620), (230, 287268), (276, 239390), (296, 223215), (345, 191512), (370, 178572), (444, 148810), (460, 143634), (552, 119695), (555, 119048), (647, 102120), (690, 95756), (740, 89286), (851, 77640), (888, 74405), (920, 71817), (1110, 59524), (1294, 51060), (1380, 47878), (1480, 44643), (1702, 38820), (1941, 34040), (2220, 29762), (2553, 25880), (2588, 25530), (2760, 23939), (3235, 20424), (3404, 19410), (3882, 17020), (4255, 15528), (4440, 14881), (5106, 12940), (5176, 12765), (6470, 10212), (6808, 9705), (7764, 8510)]