51068680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 134719200

約数和(自身を除く): 83650520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 109, 130, 136, 170, 212, 218, 221, 260, 265, 340, 424, 436, 442, 520, 530, 545, 680, 689, 872, 884, 901, 1060, 1090, 1105, 1378, 1417, 1768, 1802, 1853, 2120, 2180, 2210, 2756, 2834, 3445, 3604, 3706, 4360, 4420, 4505, 5512, 5668, 5777, 6890, 7085, 7208, 7412, 8840, 9010, 9265, 11336, 11554, 11713, 13780, 14170, 14824, 18020, 18530, 23108, 23426, 24089, 27560, 28340, 28885, 36040, 37060, 46216, 46852, 48178, 56680, 57770, 58565, 74120, 75101, 93704, 96356, 98209, 115540, 117130, 120445, 150202, 192712, 196418, 231080, 234260, 240890, 300404, 375505, 392836, 468520, 481780, 491045, 600808, 751010, 785672, 963560, 982090, 1276717, 1502020, 1964180, 2553434, 3004040, 3928360, 5106868, 6383585, 10213736, 12767170, 25534340, 51068680]

約数ペア:

[(1, 51068680), (2, 25534340), (4, 12767170), (5, 10213736), (8, 6383585), (10, 5106868), (13, 3928360), (17, 3004040), (20, 2553434), (26, 1964180), (34, 1502020), (40, 1276717), (52, 982090), (53, 963560), (65, 785672), (68, 751010), (85, 600808), (104, 491045), (106, 481780), (109, 468520), (130, 392836), (136, 375505), (170, 300404), (212, 240890), (218, 234260), (221, 231080), (260, 196418), (265, 192712), (340, 150202), (424, 120445), (436, 117130), (442, 115540), (520, 98209), (530, 96356), (545, 93704), (680, 75101), (689, 74120), (872, 58565), (884, 57770), (901, 56680), (1060, 48178), (1090, 46852), (1105, 46216), (1378, 37060), (1417, 36040), (1768, 28885), (1802, 28340), (1853, 27560), (2120, 24089), (2180, 23426), (2210, 23108), (2756, 18530), (2834, 18020), (3445, 14824), (3604, 14170), (3706, 13780), (4360, 11713), (4420, 11554), (4505, 11336), (5512, 9265), (5668, 9010), (5777, 8840), (6890, 7412), (7085, 7208)]