318969280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1242

約数の個数: 112

約数和(自身を含む): 875483136

約数和(自身を除く): 556513856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 140, 160, 224, 262, 280, 320, 448, 524, 560, 655, 917, 1048, 1087, 1120, 1310, 1834, 2096, 2174, 2240, 2620, 3668, 4192, 4348, 4585, 5240, 5435, 7336, 7609, 8384, 8696, 9170, 10480, 10870, 14672, 15218, 17392, 18340, 20960, 21740, 29344, 30436, 34784, 36680, 38045, 41920, 43480, 58688, 60872, 69568, 73360, 76090, 86960, 121744, 142397, 146720, 152180, 173920, 243488, 284794, 293440, 304360, 347840, 486976, 569588, 608720, 711985, 996779, 1139176, 1217440, 1423970, 1993558, 2278352, 2434880, 2847940, 3987116, 4556704, 4983895, 5695880, 7974232, 9113408, 9967790, 11391760, 15948464, 19935580, 22783520, 31896928, 39871160, 45567040, 63793856, 79742320, 159484640, 318969280]

約数ペア:

[(1, 318969280), (2, 159484640), (4, 79742320), (5, 63793856), (7, 45567040), (8, 39871160), (10, 31896928), (14, 22783520), (16, 19935580), (20, 15948464), (28, 11391760), (32, 9967790), (35, 9113408), (40, 7974232), (56, 5695880), (64, 4983895), (70, 4556704), (80, 3987116), (112, 2847940), (131, 2434880), (140, 2278352), (160, 1993558), (224, 1423970), (262, 1217440), (280, 1139176), (320, 996779), (448, 711985), (524, 608720), (560, 569588), (655, 486976), (917, 347840), (1048, 304360), (1087, 293440), (1120, 284794), (1310, 243488), (1834, 173920), (2096, 152180), (2174, 146720), (2240, 142397), (2620, 121744), (3668, 86960), (4192, 76090), (4348, 73360), (4585, 69568), (5240, 60872), (5435, 58688), (7336, 43480), (7609, 41920), (8384, 38045), (8696, 36680), (9170, 34784), (10480, 30436), (10870, 29344), (14672, 21740), (15218, 20960), (17392, 18340)]