31331880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 106243200

約数和(自身を除く): 74911320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 402, 433, 536, 540, 603, 670, 804, 866, 1005, 1080, 1206, 1299, 1340, 1608, 1732, 1809, 2010, 2165, 2412, 2598, 2680, 3015, 3464, 3618, 3897, 4020, 4330, 4824, 5196, 6030, 6495, 7236, 7794, 8040, 8660, 9045, 10392, 11691, 12060, 12990, 14472, 15588, 17320, 18090, 19485, 23382, 24120, 25980, 29011, 31176, 36180, 38970, 46764, 51960, 58022, 58455, 72360, 77940, 87033, 93528, 116044, 116910, 145055, 155880, 174066, 232088, 233820, 261099, 290110, 348132, 435165, 467640, 522198, 580220, 696264, 783297, 870330, 1044396, 1160440, 1305495, 1566594, 1740660, 2088792, 2610990, 3133188, 3481320, 3916485, 5221980, 6266376, 7832970, 10443960, 15665940, 31331880]

約数ペア:

[(1, 31331880), (2, 15665940), (3, 10443960), (4, 7832970), (5, 6266376), (6, 5221980), (8, 3916485), (9, 3481320), (10, 3133188), (12, 2610990), (15, 2088792), (18, 1740660), (20, 1566594), (24, 1305495), (27, 1160440), (30, 1044396), (36, 870330), (40, 783297), (45, 696264), (54, 580220), (60, 522198), (67, 467640), (72, 435165), (90, 348132), (108, 290110), (120, 261099), (134, 233820), (135, 232088), (180, 174066), (201, 155880), (216, 145055), (268, 116910), (270, 116044), (335, 93528), (360, 87033), (402, 77940), (433, 72360), (536, 58455), (540, 58022), (603, 51960), (670, 46764), (804, 38970), (866, 36180), (1005, 31176), (1080, 29011), (1206, 25980), (1299, 24120), (1340, 23382), (1608, 19485), (1732, 18090), (1809, 17320), (2010, 15588), (2165, 14472), (2412, 12990), (2598, 12060), (2680, 11691), (3015, 10392), (3464, 9045), (3618, 8660), (3897, 8040), (4020, 7794), (4330, 7236), (4824, 6495), (5196, 6030)]