31274040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1253

約数の個数: 128

約数和(自身を含む): 110776320

約数和(自身を除く): 79502280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1201, 1240, 1302, 1736, 1860, 2170, 2402, 2604, 3255, 3603, 3720, 4340, 4804, 5208, 6005, 6510, 7206, 8407, 8680, 9608, 12010, 13020, 14412, 16814, 18015, 24020, 25221, 26040, 28824, 33628, 36030, 37231, 42035, 48040, 50442, 67256, 72060, 74462, 84070, 100884, 111693, 126105, 144120, 148924, 168140, 186155, 201768, 223386, 252210, 260617, 297848, 336280, 372310, 446772, 504420, 521234, 558465, 744620, 781851, 893544, 1008840, 1042468, 1116930, 1303085, 1489240, 1563702, 2084936, 2233860, 2606170, 3127404, 3909255, 4467720, 5212340, 6254808, 7818510, 10424680, 15637020, 31274040]

約数ペア:

[(1, 31274040), (2, 15637020), (3, 10424680), (4, 7818510), (5, 6254808), (6, 5212340), (7, 4467720), (8, 3909255), (10, 3127404), (12, 2606170), (14, 2233860), (15, 2084936), (20, 1563702), (21, 1489240), (24, 1303085), (28, 1116930), (30, 1042468), (31, 1008840), (35, 893544), (40, 781851), (42, 744620), (56, 558465), (60, 521234), (62, 504420), (70, 446772), (84, 372310), (93, 336280), (105, 297848), (120, 260617), (124, 252210), (140, 223386), (155, 201768), (168, 186155), (186, 168140), (210, 148924), (217, 144120), (248, 126105), (280, 111693), (310, 100884), (372, 84070), (420, 74462), (434, 72060), (465, 67256), (620, 50442), (651, 48040), (744, 42035), (840, 37231), (868, 36030), (930, 33628), (1085, 28824), (1201, 26040), (1240, 25221), (1302, 24020), (1736, 18015), (1860, 16814), (2170, 14412), (2402, 13020), (2604, 12010), (3255, 9608), (3603, 8680), (3720, 8407), (4340, 7206), (4804, 6510), (5208, 6005)]