68878720

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 165680640

約数和(自身を除く): 96801920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 383, 562, 640, 766, 1124, 1405, 1532, 1915, 2248, 2810, 3064, 3830, 4496, 5620, 6128, 7660, 8992, 11240, 12256, 15320, 17984, 22480, 24512, 30640, 35968, 44960, 49024, 61280, 89920, 107623, 122560, 179840, 215246, 245120, 430492, 538115, 860984, 1076230, 1721968, 2152460, 3443936, 4304920, 6887872, 8609840, 13775744, 17219680, 34439360, 68878720]

約数ペア:

[(1, 68878720), (2, 34439360), (4, 17219680), (5, 13775744), (8, 8609840), (10, 6887872), (16, 4304920), (20, 3443936), (32, 2152460), (40, 1721968), (64, 1076230), (80, 860984), (128, 538115), (160, 430492), (281, 245120), (320, 215246), (383, 179840), (562, 122560), (640, 107623), (766, 89920), (1124, 61280), (1405, 49024), (1532, 44960), (1915, 35968), (2248, 30640), (2810, 24512), (3064, 22480), (3830, 17984), (4496, 15320), (5620, 12256), (6128, 11240), (7660, 8992)]