61431440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 164477568

約数和(自身を除く): 103046128

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, 673, 815, 1141, 1304, 1346, 1630, 2282, 2608, 2692, 3260, 3365, 4564, 4711, 5384, 5705, 6520, 6730, 9128, 9422, 10768, 11410, 13040, 13460, 18256, 18844, 22820, 23555, 26920, 37688, 45640, 47110, 53840, 75376, 91280, 94220, 109699, 188440, 219398, 376880, 438796, 548495, 767893, 877592, 1096990, 1535786, 1755184, 2193980, 3071572, 3839465, 4387960, 6143144, 7678930, 8775920, 12286288, 15357860, 30715720, 61431440]

約数ペア:

[(1, 61431440), (2, 30715720), (4, 15357860), (5, 12286288), (7, 8775920), (8, 7678930), (10, 6143144), (14, 4387960), (16, 3839465), (20, 3071572), (28, 2193980), (35, 1755184), (40, 1535786), (56, 1096990), (70, 877592), (80, 767893), (112, 548495), (140, 438796), (163, 376880), (280, 219398), (326, 188440), (560, 109699), (652, 94220), (673, 91280), (815, 75376), (1141, 53840), (1304, 47110), (1346, 45640), (1630, 37688), (2282, 26920), (2608, 23555), (2692, 22820), (3260, 18844), (3365, 18256), (4564, 13460), (4711, 13040), (5384, 11410), (5705, 10768), (6520, 9422), (6730, 9128)]