30574520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 71547840

約数和(自身を除く): 40973320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 181, 205, 206, 328, 362, 410, 412, 515, 724, 820, 824, 905, 1030, 1448, 1640, 1810, 2060, 3620, 4120, 4223, 7240, 7421, 8446, 14842, 16892, 18643, 21115, 29684, 33784, 37105, 37286, 42230, 59368, 74210, 74572, 84460, 93215, 148420, 149144, 168920, 186430, 296840, 372860, 745720, 764363, 1528726, 3057452, 3821815, 6114904, 7643630, 15287260, 30574520]

約数ペア:

[(1, 30574520), (2, 15287260), (4, 7643630), (5, 6114904), (8, 3821815), (10, 3057452), (20, 1528726), (40, 764363), (41, 745720), (82, 372860), (103, 296840), (164, 186430), (181, 168920), (205, 149144), (206, 148420), (328, 93215), (362, 84460), (410, 74572), (412, 74210), (515, 59368), (724, 42230), (820, 37286), (824, 37105), (905, 33784), (1030, 29684), (1448, 21115), (1640, 18643), (1810, 16892), (2060, 14842), (3620, 8446), (4120, 7421), (4223, 7240)]