81058720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1753}}^1$

素因数の和:1802

約数の個数: 72

約数和(自身を含む): 203544684

約数和(自身を除く): 122485964

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1753, 2312, 2720, 2890, 3506, 4624, 5780, 7012, 8765, 9248, 11560, 14024, 17530, 23120, 28048, 29801, 35060, 46240, 56096, 59602, 70120, 119204, 140240, 149005, 238408, 280480, 298010, 476816, 506617, 596020, 953632, 1013234, 1192040, 2026468, 2384080, 2533085, 4052936, 4768160, 5066170, 8105872, 10132340, 16211744, 20264680, 40529360, 81058720]

約数ペア:

[(1, 81058720), (2, 40529360), (4, 20264680), (5, 16211744), (8, 10132340), (10, 8105872), (16, 5066170), (17, 4768160), (20, 4052936), (32, 2533085), (34, 2384080), (40, 2026468), (68, 1192040), (80, 1013234), (85, 953632), (136, 596020), (160, 506617), (170, 476816), (272, 298010), (289, 280480), (340, 238408), (544, 149005), (578, 140240), (680, 119204), (1156, 70120), (1360, 59602), (1445, 56096), (1753, 46240), (2312, 35060), (2720, 29801), (2890, 28048), (3506, 23120), (4624, 17530), (5780, 14024), (7012, 11560), (8765, 9248)]