81808920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 128

約数和(自身を含む): 274752000

約数和(自身を除く): 192943080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 211, 216, 270, 359, 360, 422, 540, 633, 718, 844, 1055, 1077, 1080, 1266, 1436, 1688, 1795, 1899, 2110, 2154, 2532, 2872, 3165, 3231, 3590, 3798, 4220, 4308, 5064, 5385, 5697, 6330, 6462, 7180, 7596, 8440, 8616, 9495, 9693, 10770, 11394, 12660, 12924, 14360, 15192, 16155, 18990, 19386, 21540, 22788, 25320, 25848, 28485, 32310, 37980, 38772, 43080, 45576, 48465, 56970, 64620, 75749, 75960, 77544, 96930, 113940, 129240, 151498, 193860, 227247, 227880, 302996, 378745, 387720, 454494, 605992, 681741, 757490, 908988, 1136235, 1363482, 1514980, 1817976, 2045223, 2272470, 2726964, 3029960, 3408705, 4090446, 4544940, 5453928, 6817410, 8180892, 9089880, 10226115, 13634820, 16361784, 20452230, 27269640, 40904460, 81808920]

約数ペア:

[(1, 81808920), (2, 40904460), (3, 27269640), (4, 20452230), (5, 16361784), (6, 13634820), (8, 10226115), (9, 9089880), (10, 8180892), (12, 6817410), (15, 5453928), (18, 4544940), (20, 4090446), (24, 3408705), (27, 3029960), (30, 2726964), (36, 2272470), (40, 2045223), (45, 1817976), (54, 1514980), (60, 1363482), (72, 1136235), (90, 908988), (108, 757490), (120, 681741), (135, 605992), (180, 454494), (211, 387720), (216, 378745), (270, 302996), (359, 227880), (360, 227247), (422, 193860), (540, 151498), (633, 129240), (718, 113940), (844, 96930), (1055, 77544), (1077, 75960), (1080, 75749), (1266, 64620), (1436, 56970), (1688, 48465), (1795, 45576), (1899, 43080), (2110, 38772), (2154, 37980), (2532, 32310), (2872, 28485), (3165, 25848), (3231, 25320), (3590, 22788), (3798, 21540), (4220, 19386), (4308, 18990), (5064, 16155), (5385, 15192), (5697, 14360), (6330, 12924), (6462, 12660), (7180, 11394), (7596, 10770), (8440, 9693), (8616, 9495)]