123165640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 314344800

約数和(自身を除く): 191179160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 53, 65, 82, 104, 106, 109, 130, 164, 205, 212, 218, 260, 265, 328, 410, 424, 436, 520, 530, 533, 545, 689, 820, 872, 1060, 1066, 1090, 1378, 1417, 1640, 2120, 2132, 2173, 2180, 2665, 2756, 2834, 3445, 4264, 4346, 4360, 4469, 5330, 5512, 5668, 5777, 6890, 7085, 8692, 8938, 10660, 10865, 11336, 11554, 13780, 14170, 17384, 17876, 21320, 21730, 22345, 23108, 27560, 28249, 28340, 28885, 35752, 43460, 44690, 46216, 56498, 56680, 57770, 58097, 75101, 86920, 89380, 112996, 115540, 116194, 141245, 150202, 178760, 225992, 231080, 232388, 236857, 282490, 290485, 300404, 375505, 464776, 473714, 564980, 580970, 600808, 751010, 947428, 1129960, 1161940, 1184285, 1502020, 1894856, 2323880, 2368570, 3004040, 3079141, 4737140, 6158282, 9474280, 12316564, 15395705, 24633128, 30791410, 61582820, 123165640]

約数ペア:

[(1, 123165640), (2, 61582820), (4, 30791410), (5, 24633128), (8, 15395705), (10, 12316564), (13, 9474280), (20, 6158282), (26, 4737140), (40, 3079141), (41, 3004040), (52, 2368570), (53, 2323880), (65, 1894856), (82, 1502020), (104, 1184285), (106, 1161940), (109, 1129960), (130, 947428), (164, 751010), (205, 600808), (212, 580970), (218, 564980), (260, 473714), (265, 464776), (328, 375505), (410, 300404), (424, 290485), (436, 282490), (520, 236857), (530, 232388), (533, 231080), (545, 225992), (689, 178760), (820, 150202), (872, 141245), (1060, 116194), (1066, 115540), (1090, 112996), (1378, 89380), (1417, 86920), (1640, 75101), (2120, 58097), (2132, 57770), (2173, 56680), (2180, 56498), (2665, 46216), (2756, 44690), (2834, 43460), (3445, 35752), (4264, 28885), (4346, 28340), (4360, 28249), (4469, 27560), (5330, 23108), (5512, 22345), (5668, 21730), (5777, 21320), (6890, 17876), (7085, 17384), (8692, 14170), (8938, 13780), (10660, 11554), (10865, 11336)]