180513280

素因数分解:

$2^9\times 5^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 80

約数和(自身を含む): 437516640

約数和(自身を除く): 257003360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 512, 535, 640, 659, 856, 1070, 1280, 1318, 1712, 2140, 2560, 2636, 3295, 3424, 4280, 5272, 6590, 6848, 8560, 10544, 13180, 13696, 17120, 21088, 26360, 27392, 34240, 42176, 52720, 54784, 68480, 70513, 84352, 105440, 136960, 141026, 168704, 210880, 273920, 282052, 337408, 352565, 421760, 564104, 705130, 843520, 1128208, 1410260, 1687040, 2256416, 2820520, 4512832, 5641040, 9025664, 11282080, 18051328, 22564160, 36102656, 45128320, 90256640, 180513280]

約数ペア:

[(1, 180513280), (2, 90256640), (4, 45128320), (5, 36102656), (8, 22564160), (10, 18051328), (16, 11282080), (20, 9025664), (32, 5641040), (40, 4512832), (64, 2820520), (80, 2256416), (107, 1687040), (128, 1410260), (160, 1128208), (214, 843520), (256, 705130), (320, 564104), (428, 421760), (512, 352565), (535, 337408), (640, 282052), (659, 273920), (856, 210880), (1070, 168704), (1280, 141026), (1318, 136960), (1712, 105440), (2140, 84352), (2560, 70513), (2636, 68480), (3295, 54784), (3424, 52720), (4280, 42176), (5272, 34240), (6590, 27392), (6848, 26360), (8560, 21088), (10544, 17120), (13180, 13696)]