77728160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15717

約数の個数: 48

約数和(自身を含む): 189568512

約数和(自身を除く): 111840352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15671, 31342, 62684, 78355, 125368, 156710, 250736, 313420, 485801, 501472, 626840, 971602, 1253680, 1943204, 2429005, 2507360, 3886408, 4858010, 7772816, 9716020, 15545632, 19432040, 38864080, 77728160]

約数ペア:

[(1, 77728160), (2, 38864080), (4, 19432040), (5, 15545632), (8, 9716020), (10, 7772816), (16, 4858010), (20, 3886408), (31, 2507360), (32, 2429005), (40, 1943204), (62, 1253680), (80, 971602), (124, 626840), (155, 501472), (160, 485801), (248, 313420), (310, 250736), (496, 156710), (620, 125368), (992, 78355), (1240, 62684), (2480, 31342), (4960, 15671)]