31410540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 110440512

約数和(自身を除く): 79029972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 257, 291, 315, 388, 420, 485, 514, 582, 630, 679, 771, 873, 970, 1028, 1164, 1260, 1285, 1358, 1455, 1542, 1746, 1799, 1940, 2037, 2313, 2570, 2716, 2910, 3084, 3395, 3492, 3598, 3855, 4074, 4365, 4626, 5140, 5397, 5820, 6111, 6790, 7196, 7710, 8148, 8730, 8995, 9252, 10185, 10794, 11565, 12222, 13580, 15420, 16191, 17460, 17990, 20370, 21588, 23130, 24444, 24929, 26985, 30555, 32382, 35980, 40740, 46260, 49858, 53970, 61110, 64764, 74787, 80955, 99716, 107940, 122220, 124645, 149574, 161910, 174503, 224361, 249290, 299148, 323820, 349006, 373935, 448722, 498580, 523509, 698012, 747870, 872515, 897444, 1047018, 1121805, 1495740, 1570527, 1745030, 2094036, 2243610, 2617545, 3141054, 3490060, 4487220, 5235090, 6282108, 7852635, 10470180, 15705270, 31410540]

約数ペア:

[(1, 31410540), (2, 15705270), (3, 10470180), (4, 7852635), (5, 6282108), (6, 5235090), (7, 4487220), (9, 3490060), (10, 3141054), (12, 2617545), (14, 2243610), (15, 2094036), (18, 1745030), (20, 1570527), (21, 1495740), (28, 1121805), (30, 1047018), (35, 897444), (36, 872515), (42, 747870), (45, 698012), (60, 523509), (63, 498580), (70, 448722), (84, 373935), (90, 349006), (97, 323820), (105, 299148), (126, 249290), (140, 224361), (180, 174503), (194, 161910), (210, 149574), (252, 124645), (257, 122220), (291, 107940), (315, 99716), (388, 80955), (420, 74787), (485, 64764), (514, 61110), (582, 53970), (630, 49858), (679, 46260), (771, 40740), (873, 35980), (970, 32382), (1028, 30555), (1164, 26985), (1260, 24929), (1285, 24444), (1358, 23130), (1455, 21588), (1542, 20370), (1746, 17990), (1799, 17460), (1940, 16191), (2037, 15420), (2313, 13580), (2570, 12222), (2716, 11565), (2910, 10794), (3084, 10185), (3395, 9252), (3492, 8995), (3598, 8730), (3855, 8148), (4074, 7710), (4365, 7196), (4626, 6790), (5140, 6111), (5397, 5820)]