79991640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{222199}}^1$

素因数の和:222216

約数の個数: 48

約数和(自身を含む): 259974000

約数和(自身を除く): 179982360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 222199, 444398, 666597, 888796, 1110995, 1333194, 1777592, 1999791, 2221990, 2666388, 3332985, 3999582, 4443980, 5332776, 6665970, 7999164, 8887960, 9998955, 13331940, 15998328, 19997910, 26663880, 39995820, 79991640]

約数ペア:

[(1, 79991640), (2, 39995820), (3, 26663880), (4, 19997910), (5, 15998328), (6, 13331940), (8, 9998955), (9, 8887960), (10, 7999164), (12, 6665970), (15, 5332776), (18, 4443980), (20, 3999582), (24, 3332985), (30, 2666388), (36, 2221990), (40, 1999791), (45, 1777592), (60, 1333194), (72, 1110995), (90, 888796), (120, 666597), (180, 444398), (360, 222199)]