12920124

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 36467200

約数和(自身を除く): 23547076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 73, 84, 86, 98, 129, 146, 147, 172, 196, 219, 258, 292, 294, 301, 343, 438, 511, 516, 588, 602, 686, 876, 903, 1022, 1029, 1204, 1372, 1533, 1806, 2044, 2058, 2107, 3066, 3139, 3577, 3612, 4116, 4214, 6132, 6278, 6321, 7154, 8428, 9417, 10731, 12556, 12642, 14308, 14749, 18834, 21462, 21973, 25039, 25284, 29498, 37668, 42924, 43946, 44247, 50078, 58996, 65919, 75117, 87892, 88494, 100156, 131838, 150234, 153811, 176988, 263676, 300468, 307622, 461433, 615244, 922866, 1076677, 1845732, 2153354, 3230031, 4306708, 6460062, 12920124]

約数ペア:

[(1, 12920124), (2, 6460062), (3, 4306708), (4, 3230031), (6, 2153354), (7, 1845732), (12, 1076677), (14, 922866), (21, 615244), (28, 461433), (42, 307622), (43, 300468), (49, 263676), (73, 176988), (84, 153811), (86, 150234), (98, 131838), (129, 100156), (146, 88494), (147, 87892), (172, 75117), (196, 65919), (219, 58996), (258, 50078), (292, 44247), (294, 43946), (301, 42924), (343, 37668), (438, 29498), (511, 25284), (516, 25039), (588, 21973), (602, 21462), (686, 18834), (876, 14749), (903, 14308), (1022, 12642), (1029, 12556), (1204, 10731), (1372, 9417), (1533, 8428), (1806, 7154), (2044, 6321), (2058, 6278), (2107, 6132), (3066, 4214), (3139, 4116), (3577, 3612)]