218271420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 682997952

約数和(自身を除く): 464726532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 103, 122, 180, 183, 193, 206, 244, 305, 309, 366, 386, 412, 515, 549, 579, 610, 618, 732, 772, 915, 927, 965, 1030, 1098, 1158, 1220, 1236, 1545, 1737, 1830, 1854, 1930, 2060, 2196, 2316, 2745, 2895, 3090, 3474, 3660, 3708, 3860, 4635, 5490, 5790, 6180, 6283, 6948, 8685, 9270, 10980, 11580, 11773, 12566, 17370, 18540, 18849, 19879, 23546, 25132, 31415, 34740, 35319, 37698, 39758, 47092, 56547, 58865, 59637, 62830, 70638, 75396, 79516, 94245, 99395, 105957, 113094, 117730, 119274, 125660, 141276, 176595, 178911, 188490, 198790, 211914, 226188, 235460, 238548, 282735, 298185, 353190, 357822, 376980, 397580, 423828, 529785, 565470, 596370, 706380, 715644, 894555, 1059570, 1130940, 1192740, 1212619, 1789110, 2119140, 2425238, 3578220, 3637857, 4850476, 6063095, 7275714, 10913571, 12126190, 14551428, 18189285, 21827142, 24252380, 36378570, 43654284, 54567855, 72757140, 109135710, 218271420]

約数ペア:

[(1, 218271420), (2, 109135710), (3, 72757140), (4, 54567855), (5, 43654284), (6, 36378570), (9, 24252380), (10, 21827142), (12, 18189285), (15, 14551428), (18, 12126190), (20, 10913571), (30, 7275714), (36, 6063095), (45, 4850476), (60, 3637857), (61, 3578220), (90, 2425238), (103, 2119140), (122, 1789110), (180, 1212619), (183, 1192740), (193, 1130940), (206, 1059570), (244, 894555), (305, 715644), (309, 706380), (366, 596370), (386, 565470), (412, 529785), (515, 423828), (549, 397580), (579, 376980), (610, 357822), (618, 353190), (732, 298185), (772, 282735), (915, 238548), (927, 235460), (965, 226188), (1030, 211914), (1098, 198790), (1158, 188490), (1220, 178911), (1236, 176595), (1545, 141276), (1737, 125660), (1830, 119274), (1854, 117730), (1930, 113094), (2060, 105957), (2196, 99395), (2316, 94245), (2745, 79516), (2895, 75396), (3090, 70638), (3474, 62830), (3660, 59637), (3708, 58865), (3860, 56547), (4635, 47092), (5490, 39758), (5790, 37698), (6180, 35319), (6283, 34740), (6948, 31415), (8685, 25132), (9270, 23546), (10980, 19879), (11580, 18849), (11773, 18540), (12566, 17370)]