399666360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81233}}^1$

素因数の和:81288

約数の個数: 64

約数和(自身を含む): 1228258080

約数和(自身を除く): 828591720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 81233, 162466, 243699, 324932, 406165, 487398, 649864, 812330, 974796, 1218495, 1624660, 1949592, 2436990, 3249320, 3330553, 4873980, 6661106, 9747960, 9991659, 13322212, 16652765, 19983318, 26644424, 33305530, 39966636, 49958295, 66611060, 79933272, 99916590, 133222120, 199833180, 399666360]

約数ペア:

[(1, 399666360), (2, 199833180), (3, 133222120), (4, 99916590), (5, 79933272), (6, 66611060), (8, 49958295), (10, 39966636), (12, 33305530), (15, 26644424), (20, 19983318), (24, 16652765), (30, 13322212), (40, 9991659), (41, 9747960), (60, 6661106), (82, 4873980), (120, 3330553), (123, 3249320), (164, 2436990), (205, 1949592), (246, 1624660), (328, 1218495), (410, 974796), (492, 812330), (615, 649864), (820, 487398), (984, 406165), (1230, 324932), (1640, 243699), (2460, 162466), (4920, 81233)]