64876140

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{1907}}^1$

素因数の和:1938

約数の個数: 144

約数和(自身を含む): 233356032

約数和(自身を除く): 168479892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 1907, 2268, 2430, 2835, 3402, 3780, 3814, 4860, 5670, 5721, 6804, 7628, 8505, 9535, 11340, 11442, 13349, 17010, 17163, 19070, 22884, 26698, 28605, 34020, 34326, 38140, 40047, 51489, 53396, 57210, 66745, 68652, 80094, 85815, 102978, 114420, 120141, 133490, 154467, 160188, 171630, 200235, 205956, 240282, 257445, 266980, 308934, 343260, 360423, 400470, 463401, 480564, 514890, 600705, 617868, 720846, 772335, 800940, 926802, 1029780, 1081269, 1201410, 1441692, 1544670, 1802115, 1853604, 2162538, 2317005, 2402820, 3089340, 3243807, 3604230, 4325076, 4634010, 5406345, 6487614, 7208460, 9268020, 10812690, 12975228, 16219035, 21625380, 32438070, 64876140]

約数ペア:

[(1, 64876140), (2, 32438070), (3, 21625380), (4, 16219035), (5, 12975228), (6, 10812690), (7, 9268020), (9, 7208460), (10, 6487614), (12, 5406345), (14, 4634010), (15, 4325076), (18, 3604230), (20, 3243807), (21, 3089340), (27, 2402820), (28, 2317005), (30, 2162538), (35, 1853604), (36, 1802115), (42, 1544670), (45, 1441692), (54, 1201410), (60, 1081269), (63, 1029780), (70, 926802), (81, 800940), (84, 772335), (90, 720846), (105, 617868), (108, 600705), (126, 514890), (135, 480564), (140, 463401), (162, 400470), (180, 360423), (189, 343260), (210, 308934), (243, 266980), (252, 257445), (270, 240282), (315, 205956), (324, 200235), (378, 171630), (405, 160188), (420, 154467), (486, 133490), (540, 120141), (567, 114420), (630, 102978), (756, 85815), (810, 80094), (945, 68652), (972, 66745), (1134, 57210), (1215, 53396), (1260, 51489), (1620, 40047), (1701, 38140), (1890, 34326), (1907, 34020), (2268, 28605), (2430, 26698), (2835, 22884), (3402, 19070), (3780, 17163), (3814, 17010), (4860, 13349), (5670, 11442), (5721, 11340), (6804, 9535), (7628, 8505)]