68475120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40759}}^1$

素因数の和:40782

約数の個数: 80

約数和(自身を含む): 242603520

約数和(自身を除く): 174128400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40759, 81518, 122277, 163036, 203795, 244554, 285313, 326072, 407590, 489108, 570626, 611385, 652144, 815180, 855939, 978216, 1141252, 1222770, 1426565, 1630360, 1711878, 1956432, 2282504, 2445540, 2853130, 3260720, 3423756, 4279695, 4565008, 4891080, 5706260, 6847512, 8559390, 9782160, 11412520, 13695024, 17118780, 22825040, 34237560, 68475120]

約数ペア:

[(1, 68475120), (2, 34237560), (3, 22825040), (4, 17118780), (5, 13695024), (6, 11412520), (7, 9782160), (8, 8559390), (10, 6847512), (12, 5706260), (14, 4891080), (15, 4565008), (16, 4279695), (20, 3423756), (21, 3260720), (24, 2853130), (28, 2445540), (30, 2282504), (35, 1956432), (40, 1711878), (42, 1630360), (48, 1426565), (56, 1222770), (60, 1141252), (70, 978216), (80, 855939), (84, 815180), (105, 652144), (112, 611385), (120, 570626), (140, 489108), (168, 407590), (210, 326072), (240, 285313), (280, 244554), (336, 203795), (420, 163036), (560, 122277), (840, 81518), (1680, 40759)]