81283740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4999}}^1$

素因数の和:5282

約数の個数: 48

約数和(自身を含む): 228480000

約数和(自身を除く): 147196260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1355, 1626, 2710, 3252, 4065, 4999, 5420, 8130, 9998, 14997, 16260, 19996, 24995, 29994, 49990, 59988, 74985, 99980, 149970, 299940, 1354729, 2709458, 4064187, 5418916, 6773645, 8128374, 13547290, 16256748, 20320935, 27094580, 40641870, 81283740]

約数ペア:

[(1, 81283740), (2, 40641870), (3, 27094580), (4, 20320935), (5, 16256748), (6, 13547290), (10, 8128374), (12, 6773645), (15, 5418916), (20, 4064187), (30, 2709458), (60, 1354729), (271, 299940), (542, 149970), (813, 99980), (1084, 74985), (1355, 59988), (1626, 49990), (2710, 29994), (3252, 24995), (4065, 19996), (4999, 16260), (5420, 14997), (8130, 9998)]