31625280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 168

約数和(自身を含む): 110947200

約数和(自身を除く): 79321920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 139, 144, 158, 160, 180, 192, 237, 240, 278, 288, 316, 320, 360, 395, 417, 474, 480, 556, 576, 632, 695, 711, 720, 790, 834, 948, 960, 1112, 1185, 1251, 1264, 1390, 1422, 1440, 1580, 1668, 1896, 2085, 2224, 2370, 2502, 2528, 2780, 2844, 2880, 3160, 3336, 3555, 3792, 4170, 4448, 4740, 5004, 5056, 5560, 5688, 6255, 6320, 6672, 7110, 7584, 8340, 8896, 9480, 10008, 10981, 11120, 11376, 12510, 12640, 13344, 14220, 15168, 16680, 18960, 20016, 21962, 22240, 22752, 25020, 25280, 26688, 28440, 32943, 33360, 37920, 40032, 43924, 44480, 45504, 50040, 54905, 56880, 65886, 66720, 75840, 80064, 87848, 98829, 100080, 109810, 113760, 131772, 133440, 164715, 175696, 197658, 200160, 219620, 227520, 263544, 329430, 351392, 395316, 400320, 439240, 494145, 527088, 658860, 702784, 790632, 878480, 988290, 1054176, 1317720, 1581264, 1756960, 1976580, 2108352, 2635440, 3162528, 3513920, 3953160, 5270880, 6325056, 7906320, 10541760, 15812640, 31625280]

約数ペア:

[(1, 31625280), (2, 15812640), (3, 10541760), (4, 7906320), (5, 6325056), (6, 5270880), (8, 3953160), (9, 3513920), (10, 3162528), (12, 2635440), (15, 2108352), (16, 1976580), (18, 1756960), (20, 1581264), (24, 1317720), (30, 1054176), (32, 988290), (36, 878480), (40, 790632), (45, 702784), (48, 658860), (60, 527088), (64, 494145), (72, 439240), (79, 400320), (80, 395316), (90, 351392), (96, 329430), (120, 263544), (139, 227520), (144, 219620), (158, 200160), (160, 197658), (180, 175696), (192, 164715), (237, 133440), (240, 131772), (278, 113760), (288, 109810), (316, 100080), (320, 98829), (360, 87848), (395, 80064), (417, 75840), (474, 66720), (480, 65886), (556, 56880), (576, 54905), (632, 50040), (695, 45504), (711, 44480), (720, 43924), (790, 40032), (834, 37920), (948, 33360), (960, 32943), (1112, 28440), (1185, 26688), (1251, 25280), (1264, 25020), (1390, 22752), (1422, 22240), (1440, 21962), (1580, 20016), (1668, 18960), (1896, 16680), (2085, 15168), (2224, 14220), (2370, 13344), (2502, 12640), (2528, 12510), (2780, 11376), (2844, 11120), (2880, 10981), (3160, 10008), (3336, 9480), (3555, 8896), (3792, 8340), (4170, 7584), (4448, 7110), (4740, 6672), (5004, 6320), (5056, 6255), (5560, 5688)]