65522080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 178710840

約数和(自身を除く): 113188760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 109, 130, 136, 160, 170, 208, 218, 221, 260, 272, 289, 340, 416, 436, 442, 520, 544, 545, 578, 680, 872, 884, 1040, 1090, 1105, 1156, 1360, 1417, 1445, 1744, 1768, 1853, 2080, 2180, 2210, 2312, 2720, 2834, 2890, 3488, 3536, 3706, 3757, 4360, 4420, 4624, 5668, 5780, 7072, 7085, 7412, 7514, 8720, 8840, 9248, 9265, 11336, 11560, 14170, 14824, 15028, 17440, 17680, 18530, 18785, 22672, 23120, 24089, 28340, 29648, 30056, 31501, 35360, 37060, 37570, 45344, 46240, 48178, 56680, 59296, 60112, 63002, 74120, 75140, 96356, 113360, 120224, 120445, 126004, 148240, 150280, 157505, 192712, 226720, 240890, 252008, 296480, 300560, 315010, 385424, 409513, 481780, 504016, 601120, 630020, 770848, 819026, 963560, 1008032, 1260040, 1638052, 1927120, 2047565, 2520080, 3276104, 3854240, 4095130, 5040160, 6552208, 8190260, 13104416, 16380520, 32761040, 65522080]

約数ペア:

[(1, 65522080), (2, 32761040), (4, 16380520), (5, 13104416), (8, 8190260), (10, 6552208), (13, 5040160), (16, 4095130), (17, 3854240), (20, 3276104), (26, 2520080), (32, 2047565), (34, 1927120), (40, 1638052), (52, 1260040), (65, 1008032), (68, 963560), (80, 819026), (85, 770848), (104, 630020), (109, 601120), (130, 504016), (136, 481780), (160, 409513), (170, 385424), (208, 315010), (218, 300560), (221, 296480), (260, 252008), (272, 240890), (289, 226720), (340, 192712), (416, 157505), (436, 150280), (442, 148240), (520, 126004), (544, 120445), (545, 120224), (578, 113360), (680, 96356), (872, 75140), (884, 74120), (1040, 63002), (1090, 60112), (1105, 59296), (1156, 56680), (1360, 48178), (1417, 46240), (1445, 45344), (1744, 37570), (1768, 37060), (1853, 35360), (2080, 31501), (2180, 30056), (2210, 29648), (2312, 28340), (2720, 24089), (2834, 23120), (2890, 22672), (3488, 18785), (3536, 18530), (3706, 17680), (3757, 17440), (4360, 15028), (4420, 14824), (4624, 14170), (5668, 11560), (5780, 11336), (7072, 9265), (7085, 9248), (7412, 8840), (7514, 8720)]