71294360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 163425600

約数和(自身を除く): 92131240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 479, 488, 610, 958, 1220, 1916, 2395, 2440, 3721, 3832, 4790, 7442, 9580, 14884, 18605, 19160, 29219, 29768, 37210, 58438, 74420, 116876, 146095, 148840, 233752, 292190, 584380, 1168760, 1782359, 3564718, 7129436, 8911795, 14258872, 17823590, 35647180, 71294360]

約数ペア:

[(1, 71294360), (2, 35647180), (4, 17823590), (5, 14258872), (8, 8911795), (10, 7129436), (20, 3564718), (40, 1782359), (61, 1168760), (122, 584380), (244, 292190), (305, 233752), (479, 148840), (488, 146095), (610, 116876), (958, 74420), (1220, 58438), (1916, 37210), (2395, 29768), (2440, 29219), (3721, 19160), (3832, 18605), (4790, 14884), (7442, 9580)]