61273980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 195686400

約数和(自身を除く): 134412420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 139, 155, 158, 180, 186, 237, 278, 279, 310, 316, 372, 395, 417, 465, 474, 556, 558, 620, 695, 711, 790, 834, 930, 948, 1116, 1185, 1251, 1390, 1395, 1422, 1580, 1668, 1860, 2085, 2370, 2449, 2502, 2780, 2790, 2844, 3555, 4170, 4309, 4740, 4898, 5004, 5580, 6255, 7110, 7347, 8340, 8618, 9796, 10981, 12245, 12510, 12927, 14220, 14694, 17236, 21545, 21962, 22041, 24490, 25020, 25854, 29388, 32943, 36735, 38781, 43090, 43924, 44082, 48980, 51708, 54905, 64635, 65886, 73470, 77562, 86180, 88164, 98829, 109810, 110205, 129270, 131772, 146940, 155124, 164715, 193905, 197658, 219620, 220410, 258540, 329430, 340411, 387810, 395316, 440820, 494145, 658860, 680822, 775620, 988290, 1021233, 1361644, 1702055, 1976580, 2042466, 3063699, 3404110, 4084932, 5106165, 6127398, 6808220, 10212330, 12254796, 15318495, 20424660, 30636990, 61273980]

約数ペア:

[(1, 61273980), (2, 30636990), (3, 20424660), (4, 15318495), (5, 12254796), (6, 10212330), (9, 6808220), (10, 6127398), (12, 5106165), (15, 4084932), (18, 3404110), (20, 3063699), (30, 2042466), (31, 1976580), (36, 1702055), (45, 1361644), (60, 1021233), (62, 988290), (79, 775620), (90, 680822), (93, 658860), (124, 494145), (139, 440820), (155, 395316), (158, 387810), (180, 340411), (186, 329430), (237, 258540), (278, 220410), (279, 219620), (310, 197658), (316, 193905), (372, 164715), (395, 155124), (417, 146940), (465, 131772), (474, 129270), (556, 110205), (558, 109810), (620, 98829), (695, 88164), (711, 86180), (790, 77562), (834, 73470), (930, 65886), (948, 64635), (1116, 54905), (1185, 51708), (1251, 48980), (1390, 44082), (1395, 43924), (1422, 43090), (1580, 38781), (1668, 36735), (1860, 32943), (2085, 29388), (2370, 25854), (2449, 25020), (2502, 24490), (2780, 22041), (2790, 21962), (2844, 21545), (3555, 17236), (4170, 14694), (4309, 14220), (4740, 12927), (4898, 12510), (5004, 12245), (5580, 10981), (6255, 9796), (7110, 8618), (7347, 8340)]