252720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1$

素因数の和:41

約数の個数: 120

約数和(自身を含む): 947856

約数和(自身を除く): 695136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1620, 1755, 1872, 1944, 2106, 2160, 2340, 2430, 2808, 3120, 3159, 3240, 3510, 3888, 4212, 4680, 4860, 5265, 5616, 6318, 6480, 7020, 8424, 9360, 9720, 10530, 12636, 14040, 15795, 16848, 19440, 21060, 25272, 28080, 31590, 42120, 50544, 63180, 84240, 126360, 252720]

約数ペア:

[(1, 252720), (2, 126360), (3, 84240), (4, 63180), (5, 50544), (6, 42120), (8, 31590), (9, 28080), (10, 25272), (12, 21060), (13, 19440), (15, 16848), (16, 15795), (18, 14040), (20, 12636), (24, 10530), (26, 9720), (27, 9360), (30, 8424), (36, 7020), (39, 6480), (40, 6318), (45, 5616), (48, 5265), (52, 4860), (54, 4680), (60, 4212), (65, 3888), (72, 3510), (78, 3240), (80, 3159), (81, 3120), (90, 2808), (104, 2430), (108, 2340), (117, 2160), (120, 2106), (130, 1944), (135, 1872), (144, 1755), (156, 1620), (162, 1560), (180, 1404), (195, 1296), (208, 1215), (216, 1170), (234, 1080), (240, 1053), (243, 1040), (260, 972), (270, 936), (312, 810), (324, 780), (351, 720), (360, 702), (390, 648), (405, 624), (432, 585), (468, 540), (486, 520)]