7155540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:659

約数の個数: 120

約数和(自身を含む): 25694592

約数和(自身を除く): 18539052

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, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 631, 756, 810, 945, 1134, 1260, 1262, 1620, 1890, 1893, 2268, 2524, 2835, 3155, 3780, 3786, 4417, 5670, 5679, 6310, 7572, 8834, 9465, 11340, 11358, 12620, 13251, 17037, 17668, 18930, 22085, 22716, 26502, 28395, 34074, 37860, 39753, 44170, 51111, 53004, 56790, 66255, 68148, 79506, 85185, 88340, 102222, 113580, 119259, 132510, 159012, 170370, 198765, 204444, 238518, 255555, 265020, 340740, 357777, 397530, 477036, 511110, 596295, 715554, 795060, 1022220, 1192590, 1431108, 1788885, 2385180, 3577770, 7155540]

約数ペア:

[(1, 7155540), (2, 3577770), (3, 2385180), (4, 1788885), (5, 1431108), (6, 1192590), (7, 1022220), (9, 795060), (10, 715554), (12, 596295), (14, 511110), (15, 477036), (18, 397530), (20, 357777), (21, 340740), (27, 265020), (28, 255555), (30, 238518), (35, 204444), (36, 198765), (42, 170370), (45, 159012), (54, 132510), (60, 119259), (63, 113580), (70, 102222), (81, 88340), (84, 85185), (90, 79506), (105, 68148), (108, 66255), (126, 56790), (135, 53004), (140, 51111), (162, 44170), (180, 39753), (189, 37860), (210, 34074), (252, 28395), (270, 26502), (315, 22716), (324, 22085), (378, 18930), (405, 17668), (420, 17037), (540, 13251), (567, 12620), (630, 11358), (631, 11340), (756, 9465), (810, 8834), (945, 7572), (1134, 6310), (1260, 5679), (1262, 5670), (1620, 4417), (1890, 3786), (1893, 3780), (2268, 3155), (2524, 2835)]