7231120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 19217520

約数和(自身を除く): 11986400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 409, 442, 520, 680, 818, 884, 1040, 1105, 1360, 1636, 1768, 2045, 2210, 3272, 3536, 4090, 4420, 5317, 6544, 6953, 8180, 8840, 10634, 13906, 16360, 17680, 21268, 26585, 27812, 32720, 34765, 42536, 53170, 55624, 69530, 85072, 90389, 106340, 111248, 139060, 180778, 212680, 278120, 361556, 425360, 451945, 556240, 723112, 903890, 1446224, 1807780, 3615560, 7231120]

約数ペア:

[(1, 7231120), (2, 3615560), (4, 1807780), (5, 1446224), (8, 903890), (10, 723112), (13, 556240), (16, 451945), (17, 425360), (20, 361556), (26, 278120), (34, 212680), (40, 180778), (52, 139060), (65, 111248), (68, 106340), (80, 90389), (85, 85072), (104, 69530), (130, 55624), (136, 53170), (170, 42536), (208, 34765), (221, 32720), (260, 27812), (272, 26585), (340, 21268), (409, 17680), (442, 16360), (520, 13906), (680, 10634), (818, 8840), (884, 8180), (1040, 6953), (1105, 6544), (1360, 5317), (1636, 4420), (1768, 4090), (2045, 3536), (2210, 3272)]