128579640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153071}}^1$

素因数の和:153092

約数の個数: 64

約数和(自身を含む): 440847360

約数和(自身を除く): 312267720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153071, 306142, 459213, 612284, 765355, 918426, 1071497, 1224568, 1530710, 1836852, 2142994, 2296065, 3061420, 3214491, 3673704, 4285988, 4592130, 5357485, 6122840, 6428982, 8571976, 9184260, 10714970, 12857964, 16072455, 18368520, 21429940, 25715928, 32144910, 42859880, 64289820, 128579640]

約数ペア:

[(1, 128579640), (2, 64289820), (3, 42859880), (4, 32144910), (5, 25715928), (6, 21429940), (7, 18368520), (8, 16072455), (10, 12857964), (12, 10714970), (14, 9184260), (15, 8571976), (20, 6428982), (21, 6122840), (24, 5357485), (28, 4592130), (30, 4285988), (35, 3673704), (40, 3214491), (42, 3061420), (56, 2296065), (60, 2142994), (70, 1836852), (84, 1530710), (105, 1224568), (120, 1071497), (140, 918426), (168, 765355), (210, 612284), (280, 459213), (420, 306142), (840, 153071)]