31463280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:599

約数の個数: 120

約数和(自身を含む): 107069040

約数和(自身を除く): 75605760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 356, 360, 445, 491, 534, 712, 720, 801, 890, 982, 1068, 1335, 1424, 1473, 1602, 1780, 1964, 2136, 2455, 2670, 2946, 3204, 3560, 3928, 4005, 4272, 4419, 4910, 5340, 5892, 6408, 7120, 7365, 7856, 8010, 8838, 9820, 10680, 11784, 12816, 14730, 16020, 17676, 19640, 21360, 22095, 23568, 29460, 32040, 35352, 39280, 43699, 44190, 58920, 64080, 70704, 87398, 88380, 117840, 131097, 174796, 176760, 218495, 262194, 349592, 353520, 393291, 436990, 524388, 655485, 699184, 786582, 873980, 1048776, 1310970, 1573164, 1747960, 1966455, 2097552, 2621940, 3146328, 3495920, 3932910, 5243880, 6292656, 7865820, 10487760, 15731640, 31463280]

約数ペア:

[(1, 31463280), (2, 15731640), (3, 10487760), (4, 7865820), (5, 6292656), (6, 5243880), (8, 3932910), (9, 3495920), (10, 3146328), (12, 2621940), (15, 2097552), (16, 1966455), (18, 1747960), (20, 1573164), (24, 1310970), (30, 1048776), (36, 873980), (40, 786582), (45, 699184), (48, 655485), (60, 524388), (72, 436990), (80, 393291), (89, 353520), (90, 349592), (120, 262194), (144, 218495), (178, 176760), (180, 174796), (240, 131097), (267, 117840), (356, 88380), (360, 87398), (445, 70704), (491, 64080), (534, 58920), (712, 44190), (720, 43699), (801, 39280), (890, 35352), (982, 32040), (1068, 29460), (1335, 23568), (1424, 22095), (1473, 21360), (1602, 19640), (1780, 17676), (1964, 16020), (2136, 14730), (2455, 12816), (2670, 11784), (2946, 10680), (3204, 9820), (3560, 8838), (3928, 8010), (4005, 7856), (4272, 7365), (4419, 7120), (4910, 6408), (5340, 5892)]