31187160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 74566440

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, 431, 536, 540, 603, 670, 804, 862, 1005, 1080, 1206, 1293, 1340, 1608, 1724, 1809, 2010, 2155, 2412, 2586, 2680, 3015, 3448, 3618, 3879, 4020, 4310, 4824, 5172, 6030, 6465, 7236, 7758, 8040, 8620, 9045, 10344, 11637, 12060, 12930, 14472, 15516, 17240, 18090, 19395, 23274, 24120, 25860, 28877, 31032, 36180, 38790, 46548, 51720, 57754, 58185, 72360, 77580, 86631, 93096, 115508, 116370, 144385, 155160, 173262, 231016, 232740, 259893, 288770, 346524, 433155, 465480, 519786, 577540, 693048, 779679, 866310, 1039572, 1155080, 1299465, 1559358, 1732620, 2079144, 2598930, 3118716, 3465240, 3898395, 5197860, 6237432, 7796790, 10395720, 15593580, 31187160]

約数ペア:

[(1, 31187160), (2, 15593580), (3, 10395720), (4, 7796790), (5, 6237432), (6, 5197860), (8, 3898395), (9, 3465240), (10, 3118716), (12, 2598930), (15, 2079144), (18, 1732620), (20, 1559358), (24, 1299465), (27, 1155080), (30, 1039572), (36, 866310), (40, 779679), (45, 693048), (54, 577540), (60, 519786), (67, 465480), (72, 433155), (90, 346524), (108, 288770), (120, 259893), (134, 232740), (135, 231016), (180, 173262), (201, 155160), (216, 144385), (268, 116370), (270, 115508), (335, 93096), (360, 86631), (402, 77580), (431, 72360), (536, 58185), (540, 57754), (603, 51720), (670, 46548), (804, 38790), (862, 36180), (1005, 31032), (1080, 28877), (1206, 25860), (1293, 24120), (1340, 23274), (1608, 19395), (1724, 18090), (1809, 17240), (2010, 15516), (2155, 14472), (2412, 12930), (2586, 12060), (2680, 11637), (3015, 10344), (3448, 9045), (3618, 8620), (3879, 8040), (4020, 7758), (4310, 7236), (4824, 6465), (5172, 6030)]