28585620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{463}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 101337600

約数和(自身を除く): 72751980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 463, 490, 588, 630, 686, 735, 882, 926, 980, 1029, 1260, 1372, 1389, 1470, 1715, 1764, 1852, 2058, 2205, 2315, 2778, 2940, 3087, 3241, 3430, 4116, 4167, 4410, 4630, 5145, 5556, 6174, 6482, 6860, 6945, 8334, 8820, 9260, 9723, 10290, 12348, 12964, 13890, 15435, 16205, 16668, 19446, 20580, 20835, 22687, 27780, 29169, 30870, 32410, 38892, 41670, 45374, 48615, 58338, 61740, 64820, 68061, 83340, 90748, 97230, 113435, 116676, 136122, 145845, 158809, 194460, 204183, 226870, 272244, 291690, 317618, 340305, 408366, 453740, 476427, 583380, 635236, 680610, 794045, 816732, 952854, 1020915, 1361220, 1429281, 1588090, 1905708, 2041830, 2382135, 2858562, 3176180, 4083660, 4764270, 5717124, 7146405, 9528540, 14292810, 28585620]

約数ペア:

[(1, 28585620), (2, 14292810), (3, 9528540), (4, 7146405), (5, 5717124), (6, 4764270), (7, 4083660), (9, 3176180), (10, 2858562), (12, 2382135), (14, 2041830), (15, 1905708), (18, 1588090), (20, 1429281), (21, 1361220), (28, 1020915), (30, 952854), (35, 816732), (36, 794045), (42, 680610), (45, 635236), (49, 583380), (60, 476427), (63, 453740), (70, 408366), (84, 340305), (90, 317618), (98, 291690), (105, 272244), (126, 226870), (140, 204183), (147, 194460), (180, 158809), (196, 145845), (210, 136122), (245, 116676), (252, 113435), (294, 97230), (315, 90748), (343, 83340), (420, 68061), (441, 64820), (463, 61740), (490, 58338), (588, 48615), (630, 45374), (686, 41670), (735, 38892), (882, 32410), (926, 30870), (980, 29169), (1029, 27780), (1260, 22687), (1372, 20835), (1389, 20580), (1470, 19446), (1715, 16668), (1764, 16205), (1852, 15435), (2058, 13890), (2205, 12964), (2315, 12348), (2778, 10290), (2940, 9723), (3087, 9260), (3241, 8820), (3430, 8334), (4116, 6945), (4167, 6860), (4410, 6482), (4630, 6174), (5145, 5556)]