255716760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7127}}^1$

素因数の和:7177

約数の個数: 128

約数和(自身を含む): 862202880

約数和(自身を除く): 606486120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7127, 7176, 8970, 11960, 14254, 17940, 21381, 28508, 35635, 35880, 42762, 57016, 71270, 85524, 92651, 106905, 142540, 163921, 171048, 185302, 213810, 277953, 285080, 327842, 370604, 427620, 463255, 491763, 555906, 655684, 741208, 819605, 855240, 926510, 983526, 1111812, 1311368, 1389765, 1639210, 1853020, 1967052, 2130973, 2223624, 2458815, 2779530, 3278420, 3706040, 3934104, 4261946, 4917630, 5559060, 6392919, 6556840, 8523892, 9835260, 10654865, 11118120, 12785838, 17047784, 19670520, 21309730, 25571676, 31964595, 42619460, 51143352, 63929190, 85238920, 127858380, 255716760]

約数ペア:

[(1, 255716760), (2, 127858380), (3, 85238920), (4, 63929190), (5, 51143352), (6, 42619460), (8, 31964595), (10, 25571676), (12, 21309730), (13, 19670520), (15, 17047784), (20, 12785838), (23, 11118120), (24, 10654865), (26, 9835260), (30, 8523892), (39, 6556840), (40, 6392919), (46, 5559060), (52, 4917630), (60, 4261946), (65, 3934104), (69, 3706040), (78, 3278420), (92, 2779530), (104, 2458815), (115, 2223624), (120, 2130973), (130, 1967052), (138, 1853020), (156, 1639210), (184, 1389765), (195, 1311368), (230, 1111812), (260, 983526), (276, 926510), (299, 855240), (312, 819605), (345, 741208), (390, 655684), (460, 555906), (520, 491763), (552, 463255), (598, 427620), (690, 370604), (780, 327842), (897, 285080), (920, 277953), (1196, 213810), (1380, 185302), (1495, 171048), (1560, 163921), (1794, 142540), (2392, 106905), (2760, 92651), (2990, 85524), (3588, 71270), (4485, 57016), (5980, 42762), (7127, 35880), (7176, 35635), (8970, 28508), (11960, 21381), (14254, 17940)]