78117240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15139}}^1$

素因数の和:15196

約数の個数: 64

約数和(自身を含む): 239817600

約数和(自身を除く): 161700360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15139, 30278, 45417, 60556, 75695, 90834, 121112, 151390, 181668, 227085, 302780, 363336, 454170, 605560, 650977, 908340, 1301954, 1816680, 1952931, 2603908, 3254885, 3905862, 5207816, 6509770, 7811724, 9764655, 13019540, 15623448, 19529310, 26039080, 39058620, 78117240]

約数ペア:

[(1, 78117240), (2, 39058620), (3, 26039080), (4, 19529310), (5, 15623448), (6, 13019540), (8, 9764655), (10, 7811724), (12, 6509770), (15, 5207816), (20, 3905862), (24, 3254885), (30, 2603908), (40, 1952931), (43, 1816680), (60, 1301954), (86, 908340), (120, 650977), (129, 605560), (172, 454170), (215, 363336), (258, 302780), (344, 227085), (430, 181668), (516, 151390), (645, 121112), (860, 90834), (1032, 75695), (1290, 60556), (1720, 45417), (2580, 30278), (5160, 15139)]