31653160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 59585240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 239, 280, 301, 308, 344, 385, 430, 440, 473, 478, 602, 616, 770, 860, 946, 956, 1195, 1204, 1505, 1540, 1673, 1720, 1892, 1912, 2365, 2390, 2408, 2629, 3010, 3080, 3311, 3346, 3784, 4730, 4780, 5258, 6020, 6622, 6692, 8365, 9460, 9560, 10277, 10516, 12040, 13145, 13244, 13384, 16555, 16730, 18403, 18920, 20554, 21032, 26290, 26488, 33110, 33460, 36806, 41108, 51385, 52580, 66220, 66920, 71939, 73612, 82216, 92015, 102770, 105160, 113047, 132440, 143878, 147224, 184030, 205540, 226094, 287756, 359695, 368060, 411080, 452188, 565235, 575512, 719390, 736120, 791329, 904376, 1130470, 1438780, 1582658, 2260940, 2877560, 3165316, 3956645, 4521880, 6330632, 7913290, 15826580, 31653160]

約数ペア:

[(1, 31653160), (2, 15826580), (4, 7913290), (5, 6330632), (7, 4521880), (8, 3956645), (10, 3165316), (11, 2877560), (14, 2260940), (20, 1582658), (22, 1438780), (28, 1130470), (35, 904376), (40, 791329), (43, 736120), (44, 719390), (55, 575512), (56, 565235), (70, 452188), (77, 411080), (86, 368060), (88, 359695), (110, 287756), (140, 226094), (154, 205540), (172, 184030), (215, 147224), (220, 143878), (239, 132440), (280, 113047), (301, 105160), (308, 102770), (344, 92015), (385, 82216), (430, 73612), (440, 71939), (473, 66920), (478, 66220), (602, 52580), (616, 51385), (770, 41108), (860, 36806), (946, 33460), (956, 33110), (1195, 26488), (1204, 26290), (1505, 21032), (1540, 20554), (1673, 18920), (1720, 18403), (1892, 16730), (1912, 16555), (2365, 13384), (2390, 13244), (2408, 13145), (2629, 12040), (3010, 10516), (3080, 10277), (3311, 9560), (3346, 9460), (3784, 8365), (4730, 6692), (4780, 6622), (5258, 6020)]