639884232

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1259}}^1$

素因数の和:1468

約数の個数: 128

約数和(自身を含む): 1926288000

約数和(自身を除く): 1286403768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 181, 216, 234, 312, 351, 362, 468, 543, 702, 724, 936, 1086, 1259, 1404, 1448, 1629, 2172, 2353, 2518, 2808, 3258, 3777, 4344, 4706, 4887, 5036, 6516, 7059, 7554, 9412, 9774, 10072, 11331, 13032, 14118, 15108, 16367, 18824, 19548, 21177, 22662, 28236, 30216, 32734, 33993, 39096, 42354, 45324, 49101, 56472, 63531, 65468, 67986, 84708, 90648, 98202, 127062, 130936, 135972, 147303, 169416, 196404, 227879, 254124, 271944, 294606, 392808, 441909, 455758, 508248, 589212, 683637, 883818, 911516, 1178424, 1367274, 1767636, 1823032, 2050911, 2734548, 2962427, 3535272, 4101822, 5469096, 5924854, 6152733, 8203644, 8887281, 11849708, 12305466, 16407288, 17774562, 23699416, 24610932, 26661843, 35549124, 49221864, 53323686, 71098248, 79985529, 106647372, 159971058, 213294744, 319942116, 639884232]

約数ペア:

[(1, 639884232), (2, 319942116), (3, 213294744), (4, 159971058), (6, 106647372), (8, 79985529), (9, 71098248), (12, 53323686), (13, 49221864), (18, 35549124), (24, 26661843), (26, 24610932), (27, 23699416), (36, 17774562), (39, 16407288), (52, 12305466), (54, 11849708), (72, 8887281), (78, 8203644), (104, 6152733), (108, 5924854), (117, 5469096), (156, 4101822), (181, 3535272), (216, 2962427), (234, 2734548), (312, 2050911), (351, 1823032), (362, 1767636), (468, 1367274), (543, 1178424), (702, 911516), (724, 883818), (936, 683637), (1086, 589212), (1259, 508248), (1404, 455758), (1448, 441909), (1629, 392808), (2172, 294606), (2353, 271944), (2518, 254124), (2808, 227879), (3258, 196404), (3777, 169416), (4344, 147303), (4706, 135972), (4887, 130936), (5036, 127062), (6516, 98202), (7059, 90648), (7554, 84708), (9412, 67986), (9774, 65468), (10072, 63531), (11331, 56472), (13032, 49101), (14118, 45324), (15108, 42354), (16367, 39096), (18824, 33993), (19548, 32734), (21177, 30216), (22662, 28236)]