68528880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13597}}^1$

素因数の和:13623

約数の個数: 120

約数和(自身を含む): 263039712

約数和(自身を除く): 194510832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13597, 27194, 40791, 54388, 67985, 81582, 95179, 108776, 122373, 135970, 163164, 190358, 203955, 217552, 244746, 271940, 285537, 326328, 380716, 407910, 475895, 489492, 543880, 571074, 611865, 652656, 761432, 815820, 856611, 951790, 978984, 1087760, 1142148, 1223730, 1427685, 1522864, 1631640, 1713222, 1903580, 1957968, 2284296, 2447460, 2855370, 3263280, 3426444, 3807160, 4283055, 4568592, 4894920, 5710740, 6852888, 7614320, 8566110, 9789840, 11421480, 13705776, 17132220, 22842960, 34264440, 68528880]

約数ペア:

[(1, 68528880), (2, 34264440), (3, 22842960), (4, 17132220), (5, 13705776), (6, 11421480), (7, 9789840), (8, 8566110), (9, 7614320), (10, 6852888), (12, 5710740), (14, 4894920), (15, 4568592), (16, 4283055), (18, 3807160), (20, 3426444), (21, 3263280), (24, 2855370), (28, 2447460), (30, 2284296), (35, 1957968), (36, 1903580), (40, 1713222), (42, 1631640), (45, 1522864), (48, 1427685), (56, 1223730), (60, 1142148), (63, 1087760), (70, 978984), (72, 951790), (80, 856611), (84, 815820), (90, 761432), (105, 652656), (112, 611865), (120, 571074), (126, 543880), (140, 489492), (144, 475895), (168, 407910), (180, 380716), (210, 326328), (240, 285537), (252, 271940), (280, 244746), (315, 217552), (336, 203955), (360, 190358), (420, 163164), (504, 135970), (560, 122373), (630, 108776), (720, 95179), (840, 81582), (1008, 67985), (1260, 54388), (1680, 40791), (2520, 27194), (5040, 13597)]