2868120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 9659520

約数和(自身を除く): 6791400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 257, 279, 310, 360, 372, 465, 514, 558, 620, 744, 771, 930, 1028, 1116, 1240, 1285, 1395, 1542, 1860, 2056, 2232, 2313, 2570, 2790, 3084, 3720, 3855, 4626, 5140, 5580, 6168, 7710, 7967, 9252, 10280, 11160, 11565, 15420, 15934, 18504, 23130, 23901, 30840, 31868, 39835, 46260, 47802, 63736, 71703, 79670, 92520, 95604, 119505, 143406, 159340, 191208, 239010, 286812, 318680, 358515, 478020, 573624, 717030, 956040, 1434060, 2868120]

約数ペア:

[(1, 2868120), (2, 1434060), (3, 956040), (4, 717030), (5, 573624), (6, 478020), (8, 358515), (9, 318680), (10, 286812), (12, 239010), (15, 191208), (18, 159340), (20, 143406), (24, 119505), (30, 95604), (31, 92520), (36, 79670), (40, 71703), (45, 63736), (60, 47802), (62, 46260), (72, 39835), (90, 31868), (93, 30840), (120, 23901), (124, 23130), (155, 18504), (180, 15934), (186, 15420), (248, 11565), (257, 11160), (279, 10280), (310, 9252), (360, 7967), (372, 7710), (465, 6168), (514, 5580), (558, 5140), (620, 4626), (744, 3855), (771, 3720), (930, 3084), (1028, 2790), (1116, 2570), (1240, 2313), (1285, 2232), (1395, 2056), (1542, 1860)]