80876080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 195924960

約数和(自身を除く): 115048880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 307, 356, 370, 445, 592, 614, 712, 740, 890, 1228, 1424, 1480, 1535, 1780, 2456, 2960, 3070, 3293, 3560, 4912, 6140, 6586, 7120, 11359, 12280, 13172, 16465, 22718, 24560, 26344, 27323, 32930, 45436, 52688, 54646, 56795, 65860, 90872, 109292, 113590, 131720, 136615, 181744, 218584, 227180, 263440, 273230, 437168, 454360, 546460, 908720, 1010951, 1092920, 2021902, 2185840, 4043804, 5054755, 8087608, 10109510, 16175216, 20219020, 40438040, 80876080]

約数ペア:

[(1, 80876080), (2, 40438040), (4, 20219020), (5, 16175216), (8, 10109510), (10, 8087608), (16, 5054755), (20, 4043804), (37, 2185840), (40, 2021902), (74, 1092920), (80, 1010951), (89, 908720), (148, 546460), (178, 454360), (185, 437168), (296, 273230), (307, 263440), (356, 227180), (370, 218584), (445, 181744), (592, 136615), (614, 131720), (712, 113590), (740, 109292), (890, 90872), (1228, 65860), (1424, 56795), (1480, 54646), (1535, 52688), (1780, 45436), (2456, 32930), (2960, 27323), (3070, 26344), (3293, 24560), (3560, 22718), (4912, 16465), (6140, 13172), (6586, 12280), (7120, 11359)]