81526920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2213}}^1$

素因数の和:2534

約数の個数: 64

約数和(自身を含む): 245488320

約数和(自身を除く): 163961400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 921, 1228, 1535, 1842, 2213, 2456, 3070, 3684, 4426, 4605, 6140, 6639, 7368, 8852, 9210, 11065, 12280, 13278, 17704, 18420, 22130, 26556, 33195, 36840, 44260, 53112, 66390, 88520, 132780, 265560, 679391, 1358782, 2038173, 2717564, 3396955, 4076346, 5435128, 6793910, 8152692, 10190865, 13587820, 16305384, 20381730, 27175640, 40763460, 81526920]

約数ペア:

[(1, 81526920), (2, 40763460), (3, 27175640), (4, 20381730), (5, 16305384), (6, 13587820), (8, 10190865), (10, 8152692), (12, 6793910), (15, 5435128), (20, 4076346), (24, 3396955), (30, 2717564), (40, 2038173), (60, 1358782), (120, 679391), (307, 265560), (614, 132780), (921, 88520), (1228, 66390), (1535, 53112), (1842, 44260), (2213, 36840), (2456, 33195), (3070, 26556), (3684, 22130), (4426, 18420), (4605, 17704), (6140, 13278), (6639, 12280), (7368, 11065), (8852, 9210)]