67821040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 181559808

約数和(自身を除く): 113738768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 743, 815, 1141, 1304, 1486, 1630, 2282, 2608, 2972, 3260, 3715, 4564, 5201, 5705, 5944, 6520, 7430, 9128, 10402, 11410, 11888, 13040, 14860, 18256, 20804, 22820, 26005, 29720, 41608, 45640, 52010, 59440, 83216, 91280, 104020, 121109, 208040, 242218, 416080, 484436, 605545, 847763, 968872, 1211090, 1695526, 1937744, 2422180, 3391052, 4238815, 4844360, 6782104, 8477630, 9688720, 13564208, 16955260, 33910520, 67821040]

約数ペア:

[(1, 67821040), (2, 33910520), (4, 16955260), (5, 13564208), (7, 9688720), (8, 8477630), (10, 6782104), (14, 4844360), (16, 4238815), (20, 3391052), (28, 2422180), (35, 1937744), (40, 1695526), (56, 1211090), (70, 968872), (80, 847763), (112, 605545), (140, 484436), (163, 416080), (280, 242218), (326, 208040), (560, 121109), (652, 104020), (743, 91280), (815, 83216), (1141, 59440), (1304, 52010), (1486, 45640), (1630, 41608), (2282, 29720), (2608, 26005), (2972, 22820), (3260, 20804), (3715, 18256), (4564, 14860), (5201, 13040), (5705, 11888), (5944, 11410), (6520, 10402), (7430, 9128)]