305793920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15413}}^1$

素因数の和:15463

約数の個数: 64

約数和(自身を含む): 754669440

約数和(自身を除く): 448875520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 15413, 19840, 30826, 61652, 77065, 123304, 154130, 246608, 308260, 477803, 493216, 616520, 955606, 986432, 1233040, 1911212, 1972864, 2389015, 2466080, 3822424, 4778030, 4932160, 7644848, 9556060, 9864320, 15289696, 19112120, 30579392, 38224240, 61158784, 76448480, 152896960, 305793920]

約数ペア:

[(1, 305793920), (2, 152896960), (4, 76448480), (5, 61158784), (8, 38224240), (10, 30579392), (16, 19112120), (20, 15289696), (31, 9864320), (32, 9556060), (40, 7644848), (62, 4932160), (64, 4778030), (80, 3822424), (124, 2466080), (128, 2389015), (155, 1972864), (160, 1911212), (248, 1233040), (310, 986432), (320, 955606), (496, 616520), (620, 493216), (640, 477803), (992, 308260), (1240, 246608), (1984, 154130), (2480, 123304), (3968, 77065), (4960, 61652), (9920, 30826), (15413, 19840)]