1304385760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{262981}}^1$

素因数の和:263027

約数の個数: 48

約数和(自身を含む): 3181030272

約数和(自身を除く): 1876644512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 262981, 525962, 1051924, 1314905, 2103848, 2629810, 4207696, 5259620, 8152411, 8415392, 10519240, 16304822, 21038480, 32609644, 40762055, 42076960, 65219288, 81524110, 130438576, 163048220, 260877152, 326096440, 652192880, 1304385760]

約数ペア:

[(1, 1304385760), (2, 652192880), (4, 326096440), (5, 260877152), (8, 163048220), (10, 130438576), (16, 81524110), (20, 65219288), (31, 42076960), (32, 40762055), (40, 32609644), (62, 21038480), (80, 16304822), (124, 10519240), (155, 8415392), (160, 8152411), (248, 5259620), (310, 4207696), (496, 2629810), (620, 2103848), (992, 1314905), (1240, 1051924), (2480, 525962), (4960, 262981)]