211987920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28493}}^1$

素因数の和:28540

約数の個数: 80

約数和(自身を含む): 678385152

約数和(自身を除く): 466397232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28493, 56986, 85479, 113972, 142465, 170958, 227944, 284930, 341916, 427395, 455888, 569860, 683832, 854790, 883283, 1139720, 1367664, 1709580, 1766566, 2279440, 2649849, 3419160, 3533132, 4416415, 5299698, 6838320, 7066264, 8832830, 10599396, 13249245, 14132528, 17665660, 21198792, 26498490, 35331320, 42397584, 52996980, 70662640, 105993960, 211987920]

約数ペア:

[(1, 211987920), (2, 105993960), (3, 70662640), (4, 52996980), (5, 42397584), (6, 35331320), (8, 26498490), (10, 21198792), (12, 17665660), (15, 14132528), (16, 13249245), (20, 10599396), (24, 8832830), (30, 7066264), (31, 6838320), (40, 5299698), (48, 4416415), (60, 3533132), (62, 3419160), (80, 2649849), (93, 2279440), (120, 1766566), (124, 1709580), (155, 1367664), (186, 1139720), (240, 883283), (248, 854790), (310, 683832), (372, 569860), (465, 455888), (496, 427395), (620, 341916), (744, 284930), (930, 227944), (1240, 170958), (1488, 142465), (1860, 113972), (2480, 85479), (3720, 56986), (7440, 28493)]