81424260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1877}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 248143896

約数和(自身を除く): 166719636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 1877, 2169, 2410, 2892, 3615, 3754, 4338, 4820, 5631, 7230, 7508, 8676, 9385, 10845, 11262, 14460, 16893, 18770, 21690, 22524, 28155, 33786, 37540, 43380, 56310, 67572, 84465, 112620, 168930, 337860, 452357, 904714, 1357071, 1809428, 2261785, 2714142, 4071213, 4523570, 5428284, 6785355, 8142426, 9047140, 13570710, 16284852, 20356065, 27141420, 40712130, 81424260]

約数ペア:

[(1, 81424260), (2, 40712130), (3, 27141420), (4, 20356065), (5, 16284852), (6, 13570710), (9, 9047140), (10, 8142426), (12, 6785355), (15, 5428284), (18, 4523570), (20, 4071213), (30, 2714142), (36, 2261785), (45, 1809428), (60, 1357071), (90, 904714), (180, 452357), (241, 337860), (482, 168930), (723, 112620), (964, 84465), (1205, 67572), (1446, 56310), (1877, 43380), (2169, 37540), (2410, 33786), (2892, 28155), (3615, 22524), (3754, 21690), (4338, 18770), (4820, 16893), (5631, 14460), (7230, 11262), (7508, 10845), (8676, 9385)]