66180040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 164908800

約数和(自身を除く): 98728760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 53, 62, 76, 95, 106, 124, 152, 155, 190, 212, 248, 265, 310, 380, 424, 530, 589, 620, 760, 1007, 1060, 1178, 1240, 1643, 2014, 2120, 2356, 2809, 2945, 3286, 4028, 4712, 5035, 5618, 5890, 6572, 8056, 8215, 10070, 11236, 11780, 13144, 14045, 16430, 20140, 22472, 23560, 28090, 31217, 32860, 40280, 53371, 56180, 62434, 65720, 87079, 106742, 112360, 124868, 156085, 174158, 213484, 249736, 266855, 312170, 348316, 426968, 435395, 533710, 624340, 696632, 870790, 1067420, 1248680, 1654501, 1741580, 2134840, 3309002, 3483160, 6618004, 8272505, 13236008, 16545010, 33090020, 66180040]

約数ペア:

[(1, 66180040), (2, 33090020), (4, 16545010), (5, 13236008), (8, 8272505), (10, 6618004), (19, 3483160), (20, 3309002), (31, 2134840), (38, 1741580), (40, 1654501), (53, 1248680), (62, 1067420), (76, 870790), (95, 696632), (106, 624340), (124, 533710), (152, 435395), (155, 426968), (190, 348316), (212, 312170), (248, 266855), (265, 249736), (310, 213484), (380, 174158), (424, 156085), (530, 124868), (589, 112360), (620, 106742), (760, 87079), (1007, 65720), (1060, 62434), (1178, 56180), (1240, 53371), (1643, 40280), (2014, 32860), (2120, 31217), (2356, 28090), (2809, 23560), (2945, 22472), (3286, 20140), (4028, 16430), (4712, 14045), (5035, 13144), (5618, 11780), (5890, 11236), (6572, 10070), (8056, 8215)]