85740420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1487}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 248234112

約数和(自身を除く): 162493692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1487, 1860, 1922, 2883, 2974, 3844, 4461, 4805, 5766, 5948, 7435, 8922, 9610, 11532, 14415, 14870, 17844, 19220, 22305, 28830, 29740, 44610, 46097, 57660, 89220, 92194, 138291, 184388, 230485, 276582, 460970, 553164, 691455, 921940, 1382910, 1429007, 2765820, 2858014, 4287021, 5716028, 7145035, 8574042, 14290070, 17148084, 21435105, 28580140, 42870210, 85740420]

約数ペア:

[(1, 85740420), (2, 42870210), (3, 28580140), (4, 21435105), (5, 17148084), (6, 14290070), (10, 8574042), (12, 7145035), (15, 5716028), (20, 4287021), (30, 2858014), (31, 2765820), (60, 1429007), (62, 1382910), (93, 921940), (124, 691455), (155, 553164), (186, 460970), (310, 276582), (372, 230485), (465, 184388), (620, 138291), (930, 92194), (961, 89220), (1487, 57660), (1860, 46097), (1922, 44610), (2883, 29740), (2974, 28830), (3844, 22305), (4461, 19220), (4805, 17844), (5766, 14870), (5948, 14415), (7435, 11532), (8922, 9610)]