66483280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 164275200

約数和(自身を除く): 97791920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 191, 229, 304, 380, 382, 458, 760, 764, 916, 955, 1145, 1520, 1528, 1832, 1910, 2290, 3056, 3629, 3664, 3820, 4351, 4580, 7258, 7640, 8702, 9160, 14516, 15280, 17404, 18145, 18320, 21755, 29032, 34808, 36290, 43510, 43739, 58064, 69616, 72580, 87020, 87478, 145160, 174040, 174956, 218695, 290320, 348080, 349912, 437390, 699824, 831041, 874780, 1662082, 1749560, 3324164, 3499120, 4155205, 6648328, 8310410, 13296656, 16620820, 33241640, 66483280]

約数ペア:

[(1, 66483280), (2, 33241640), (4, 16620820), (5, 13296656), (8, 8310410), (10, 6648328), (16, 4155205), (19, 3499120), (20, 3324164), (38, 1749560), (40, 1662082), (76, 874780), (80, 831041), (95, 699824), (152, 437390), (190, 349912), (191, 348080), (229, 290320), (304, 218695), (380, 174956), (382, 174040), (458, 145160), (760, 87478), (764, 87020), (916, 72580), (955, 69616), (1145, 58064), (1520, 43739), (1528, 43510), (1832, 36290), (1910, 34808), (2290, 29032), (3056, 21755), (3629, 18320), (3664, 18145), (3820, 17404), (4351, 15280), (4580, 14516), (7258, 9160), (7640, 8702)]