520020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{107}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 1651104

約数和(自身を除く): 1131084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 214, 243, 270, 321, 324, 405, 428, 486, 535, 540, 642, 810, 963, 972, 1070, 1215, 1284, 1605, 1620, 1926, 2140, 2430, 2889, 3210, 3852, 4815, 4860, 5778, 6420, 8667, 9630, 11556, 14445, 17334, 19260, 26001, 28890, 34668, 43335, 52002, 57780, 86670, 104004, 130005, 173340, 260010, 520020]

約数ペア:

[(1, 520020), (2, 260010), (3, 173340), (4, 130005), (5, 104004), (6, 86670), (9, 57780), (10, 52002), (12, 43335), (15, 34668), (18, 28890), (20, 26001), (27, 19260), (30, 17334), (36, 14445), (45, 11556), (54, 9630), (60, 8667), (81, 6420), (90, 5778), (107, 4860), (108, 4815), (135, 3852), (162, 3210), (180, 2889), (214, 2430), (243, 2140), (270, 1926), (321, 1620), (324, 1605), (405, 1284), (428, 1215), (486, 1070), (535, 972), (540, 963), (642, 810)]