68603640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81671}}^1$

素因数の和:81692

約数の個数: 64

約数和(自身を含む): 235215360

約数和(自身を除く): 166611720

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, 81671, 163342, 245013, 326684, 408355, 490026, 571697, 653368, 816710, 980052, 1143394, 1225065, 1633420, 1715091, 1960104, 2286788, 2450130, 2858485, 3266840, 3430182, 4573576, 4900260, 5716970, 6860364, 8575455, 9800520, 11433940, 13720728, 17150910, 22867880, 34301820, 68603640]

約数ペア:

[(1, 68603640), (2, 34301820), (3, 22867880), (4, 17150910), (5, 13720728), (6, 11433940), (7, 9800520), (8, 8575455), (10, 6860364), (12, 5716970), (14, 4900260), (15, 4573576), (20, 3430182), (21, 3266840), (24, 2858485), (28, 2450130), (30, 2286788), (35, 1960104), (40, 1715091), (42, 1633420), (56, 1225065), (60, 1143394), (70, 980052), (84, 816710), (105, 653368), (120, 571697), (140, 490026), (168, 408355), (210, 326684), (280, 245013), (420, 163342), (840, 81671)]