31308120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{3221}}^1$

素因数の和:3247

約数の個数: 96

約数和(自身を含む): 105552720

約数和(自身を除く): 74244600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3221, 3240, 4860, 6442, 9663, 9720, 12884, 16105, 19326, 25768, 28989, 32210, 38652, 48315, 57978, 64420, 77304, 86967, 96630, 115956, 128840, 144945, 173934, 193260, 231912, 260901, 289890, 347868, 386520, 434835, 521802, 579780, 695736, 782703, 869670, 1043604, 1159560, 1304505, 1565406, 1739340, 2087208, 2609010, 3130812, 3478680, 3913515, 5218020, 6261624, 7827030, 10436040, 15654060, 31308120]

約数ペア:

[(1, 31308120), (2, 15654060), (3, 10436040), (4, 7827030), (5, 6261624), (6, 5218020), (8, 3913515), (9, 3478680), (10, 3130812), (12, 2609010), (15, 2087208), (18, 1739340), (20, 1565406), (24, 1304505), (27, 1159560), (30, 1043604), (36, 869670), (40, 782703), (45, 695736), (54, 579780), (60, 521802), (72, 434835), (81, 386520), (90, 347868), (108, 289890), (120, 260901), (135, 231912), (162, 193260), (180, 173934), (216, 144945), (243, 128840), (270, 115956), (324, 96630), (360, 86967), (405, 77304), (486, 64420), (540, 57978), (648, 48315), (810, 38652), (972, 32210), (1080, 28989), (1215, 25768), (1620, 19326), (1944, 16105), (2430, 12884), (3221, 9720), (3240, 9663), (4860, 6442)]