408020040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1831}}^1$

素因数の和:2467

約数の個数: 96

約数和(自身を含む): 1328932800

約数和(自身を除く): 920912760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 619, 1238, 1831, 1857, 2476, 3095, 3662, 3714, 4952, 5493, 5571, 6190, 7324, 7428, 9155, 9285, 10986, 11142, 12380, 14648, 14856, 16479, 18310, 18570, 21972, 22284, 24760, 27465, 27855, 32958, 36620, 37140, 43944, 44568, 54930, 55710, 65916, 73240, 74280, 82395, 109860, 111420, 131832, 164790, 219720, 222840, 329580, 659160, 1133389, 2266778, 3400167, 4533556, 5666945, 6800334, 9067112, 10200501, 11333890, 13600668, 17000835, 20401002, 22667780, 27201336, 34001670, 40802004, 45335560, 51002505, 68003340, 81604008, 102005010, 136006680, 204010020, 408020040]

約数ペア:

[(1, 408020040), (2, 204010020), (3, 136006680), (4, 102005010), (5, 81604008), (6, 68003340), (8, 51002505), (9, 45335560), (10, 40802004), (12, 34001670), (15, 27201336), (18, 22667780), (20, 20401002), (24, 17000835), (30, 13600668), (36, 11333890), (40, 10200501), (45, 9067112), (60, 6800334), (72, 5666945), (90, 4533556), (120, 3400167), (180, 2266778), (360, 1133389), (619, 659160), (1238, 329580), (1831, 222840), (1857, 219720), (2476, 164790), (3095, 131832), (3662, 111420), (3714, 109860), (4952, 82395), (5493, 74280), (5571, 73240), (6190, 65916), (7324, 55710), (7428, 54930), (9155, 44568), (9285, 43944), (10986, 37140), (11142, 36620), (12380, 32958), (14648, 27855), (14856, 27465), (16479, 24760), (18310, 22284), (18570, 21972)]