72311200

素因数分解:

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

素因数の和:459

約数の個数: 144

約数和(自身を含む): 201783960

約数和(自身を除く): 129472760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 325, 340, 400, 409, 416, 425, 442, 520, 544, 650, 680, 800, 818, 850, 884, 1040, 1105, 1300, 1360, 1636, 1700, 1768, 2045, 2080, 2210, 2600, 2720, 3272, 3400, 3536, 4090, 4420, 5200, 5317, 5525, 6544, 6800, 6953, 7072, 8180, 8840, 10225, 10400, 10634, 11050, 13088, 13600, 13906, 16360, 17680, 20450, 21268, 22100, 26585, 27812, 32720, 34765, 35360, 40900, 42536, 44200, 53170, 55624, 65440, 69530, 81800, 85072, 88400, 90389, 106340, 111248, 132925, 139060, 163600, 170144, 173825, 176800, 180778, 212680, 222496, 265850, 278120, 327200, 347650, 361556, 425360, 451945, 531700, 556240, 695300, 723112, 850720, 903890, 1063400, 1112480, 1390600, 1446224, 1807780, 2126800, 2259725, 2781200, 2892448, 3615560, 4253600, 4519450, 5562400, 7231120, 9038900, 14462240, 18077800, 36155600, 72311200]

約数ペア:

[(1, 72311200), (2, 36155600), (4, 18077800), (5, 14462240), (8, 9038900), (10, 7231120), (13, 5562400), (16, 4519450), (17, 4253600), (20, 3615560), (25, 2892448), (26, 2781200), (32, 2259725), (34, 2126800), (40, 1807780), (50, 1446224), (52, 1390600), (65, 1112480), (68, 1063400), (80, 903890), (85, 850720), (100, 723112), (104, 695300), (130, 556240), (136, 531700), (160, 451945), (170, 425360), (200, 361556), (208, 347650), (221, 327200), (260, 278120), (272, 265850), (325, 222496), (340, 212680), (400, 180778), (409, 176800), (416, 173825), (425, 170144), (442, 163600), (520, 139060), (544, 132925), (650, 111248), (680, 106340), (800, 90389), (818, 88400), (850, 85072), (884, 81800), (1040, 69530), (1105, 65440), (1300, 55624), (1360, 53170), (1636, 44200), (1700, 42536), (1768, 40900), (2045, 35360), (2080, 34765), (2210, 32720), (2600, 27812), (2720, 26585), (3272, 22100), (3400, 21268), (3536, 20450), (4090, 17680), (4420, 16360), (5200, 13906), (5317, 13600), (5525, 13088), (6544, 11050), (6800, 10634), (6953, 10400), (7072, 10225), (8180, 8840)]