78938040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1181}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 237440160

約数和(自身を除く): 158502120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 557, 1114, 1181, 1671, 2228, 2362, 2785, 3342, 3543, 4456, 4724, 5570, 5905, 6684, 7086, 8355, 9448, 11140, 11810, 13368, 14172, 16710, 17715, 22280, 23620, 28344, 33420, 35430, 47240, 66840, 70860, 141720, 657817, 1315634, 1973451, 2631268, 3289085, 3946902, 5262536, 6578170, 7893804, 9867255, 13156340, 15787608, 19734510, 26312680, 39469020, 78938040]

約数ペア:

[(1, 78938040), (2, 39469020), (3, 26312680), (4, 19734510), (5, 15787608), (6, 13156340), (8, 9867255), (10, 7893804), (12, 6578170), (15, 5262536), (20, 3946902), (24, 3289085), (30, 2631268), (40, 1973451), (60, 1315634), (120, 657817), (557, 141720), (1114, 70860), (1181, 66840), (1671, 47240), (2228, 35430), (2362, 33420), (2785, 28344), (3342, 23620), (3543, 22280), (4456, 17715), (4724, 16710), (5570, 14172), (5905, 13368), (6684, 11810), (7086, 11140), (8355, 9448)]