67879980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3169}}^1$

素因数の和:3208

約数の個数: 144

約数和(自身を含む): 249238080

約数和(自身を除く): 181358100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3169, 3570, 4284, 5355, 6338, 7140, 9507, 10710, 12676, 15845, 19014, 21420, 22183, 28521, 31690, 38028, 44366, 47535, 53873, 57042, 63380, 66549, 88732, 95070, 107746, 110915, 114084, 133098, 142605, 161619, 190140, 199647, 215492, 221830, 266196, 269365, 285210, 323238, 332745, 377111, 399294, 443660, 484857, 538730, 570420, 646476, 665490, 754222, 798588, 808095, 969714, 998235, 1077460, 1131333, 1330980, 1508444, 1616190, 1885555, 1939428, 1996470, 2262666, 2424285, 3232380, 3393999, 3771110, 3992940, 4525332, 4848570, 5656665, 6787998, 7542220, 9697140, 11313330, 13575996, 16969995, 22626660, 33939990, 67879980]

約数ペア:

[(1, 67879980), (2, 33939990), (3, 22626660), (4, 16969995), (5, 13575996), (6, 11313330), (7, 9697140), (9, 7542220), (10, 6787998), (12, 5656665), (14, 4848570), (15, 4525332), (17, 3992940), (18, 3771110), (20, 3393999), (21, 3232380), (28, 2424285), (30, 2262666), (34, 1996470), (35, 1939428), (36, 1885555), (42, 1616190), (45, 1508444), (51, 1330980), (60, 1131333), (63, 1077460), (68, 998235), (70, 969714), (84, 808095), (85, 798588), (90, 754222), (102, 665490), (105, 646476), (119, 570420), (126, 538730), (140, 484857), (153, 443660), (170, 399294), (180, 377111), (204, 332745), (210, 323238), (238, 285210), (252, 269365), (255, 266196), (306, 221830), (315, 215492), (340, 199647), (357, 190140), (420, 161619), (476, 142605), (510, 133098), (595, 114084), (612, 110915), (630, 107746), (714, 95070), (765, 88732), (1020, 66549), (1071, 63380), (1190, 57042), (1260, 53873), (1428, 47535), (1530, 44366), (1785, 38028), (2142, 31690), (2380, 28521), (3060, 22183), (3169, 21420), (3570, 19014), (4284, 15845), (5355, 12676), (6338, 10710), (7140, 9507)]