987442020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{25999}}^1$

素因数の和:26225

約数の個数: 72

約数和(自身を含む): 3009552000

約数和(自身を除く): 2022109980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 25999, 37980, 51998, 77997, 103996, 129995, 155994, 233991, 259990, 311988, 389985, 467982, 519980, 779970, 935964, 1169955, 1559940, 2339910, 4679820, 5485789, 10971578, 16457367, 21943156, 27428945, 32914734, 49372101, 54857890, 65829468, 82286835, 98744202, 109715780, 164573670, 197488404, 246860505, 329147340, 493721010, 987442020]

約数ペア:

[(1, 987442020), (2, 493721010), (3, 329147340), (4, 246860505), (5, 197488404), (6, 164573670), (9, 109715780), (10, 98744202), (12, 82286835), (15, 65829468), (18, 54857890), (20, 49372101), (30, 32914734), (36, 27428945), (45, 21943156), (60, 16457367), (90, 10971578), (180, 5485789), (211, 4679820), (422, 2339910), (633, 1559940), (844, 1169955), (1055, 935964), (1266, 779970), (1899, 519980), (2110, 467982), (2532, 389985), (3165, 311988), (3798, 259990), (4220, 233991), (6330, 155994), (7596, 129995), (9495, 103996), (12660, 77997), (18990, 51998), (25999, 37980)]