138579240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67931}}^1$

素因数の和:67962

約数の個数: 64

約数和(自身を含む): 440199360

約数和(自身を除く): 301620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 67931, 135862, 203793, 271724, 339655, 407586, 543448, 679310, 815172, 1018965, 1154827, 1358620, 1630344, 2037930, 2309654, 2717240, 3464481, 4075860, 4619308, 5774135, 6928962, 8151720, 9238616, 11548270, 13857924, 17322405, 23096540, 27715848, 34644810, 46193080, 69289620, 138579240]

約数ペア:

[(1, 138579240), (2, 69289620), (3, 46193080), (4, 34644810), (5, 27715848), (6, 23096540), (8, 17322405), (10, 13857924), (12, 11548270), (15, 9238616), (17, 8151720), (20, 6928962), (24, 5774135), (30, 4619308), (34, 4075860), (40, 3464481), (51, 2717240), (60, 2309654), (68, 2037930), (85, 1630344), (102, 1358620), (120, 1154827), (136, 1018965), (170, 815172), (204, 679310), (255, 543448), (340, 407586), (408, 339655), (510, 271724), (680, 203793), (1020, 135862), (2040, 67931)]