31617720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 96

約数和(自身を含む): 104289120

約数和(自身を除く): 72671400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1237, 1278, 1420, 1704, 2130, 2474, 2556, 2840, 3195, 3711, 4260, 4948, 5112, 6185, 6390, 7422, 8520, 9896, 11133, 12370, 12780, 14844, 18555, 22266, 24740, 25560, 29688, 37110, 44532, 49480, 55665, 74220, 87827, 89064, 111330, 148440, 175654, 222660, 263481, 351308, 439135, 445320, 526962, 702616, 790443, 878270, 1053924, 1317405, 1580886, 1756540, 2107848, 2634810, 3161772, 3513080, 3952215, 5269620, 6323544, 7904430, 10539240, 15808860, 31617720]

約数ペア:

[(1, 31617720), (2, 15808860), (3, 10539240), (4, 7904430), (5, 6323544), (6, 5269620), (8, 3952215), (9, 3513080), (10, 3161772), (12, 2634810), (15, 2107848), (18, 1756540), (20, 1580886), (24, 1317405), (30, 1053924), (36, 878270), (40, 790443), (45, 702616), (60, 526962), (71, 445320), (72, 439135), (90, 351308), (120, 263481), (142, 222660), (180, 175654), (213, 148440), (284, 111330), (355, 89064), (360, 87827), (426, 74220), (568, 55665), (639, 49480), (710, 44532), (852, 37110), (1065, 29688), (1237, 25560), (1278, 24740), (1420, 22266), (1704, 18555), (2130, 14844), (2474, 12780), (2556, 12370), (2840, 11133), (3195, 9896), (3711, 8520), (4260, 7422), (4948, 6390), (5112, 6185)]