72472280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^2\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 165678480

約数和(自身を除く): 93206200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 263, 332, 415, 526, 664, 830, 1052, 1315, 1660, 2104, 2630, 3320, 5260, 6889, 10520, 13778, 21829, 27556, 34445, 43658, 55112, 68890, 87316, 109145, 137780, 174632, 218290, 275560, 436580, 873160, 1811807, 3623614, 7247228, 9059035, 14494456, 18118070, 36236140, 72472280]

約数ペア:

[(1, 72472280), (2, 36236140), (4, 18118070), (5, 14494456), (8, 9059035), (10, 7247228), (20, 3623614), (40, 1811807), (83, 873160), (166, 436580), (263, 275560), (332, 218290), (415, 174632), (526, 137780), (664, 109145), (830, 87316), (1052, 68890), (1315, 55112), (1660, 43658), (2104, 34445), (2630, 27556), (3320, 21829), (5260, 13778), (6889, 10520)]