7291620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 26182464

約数和(自身を除く): 18890844

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, 643, 756, 810, 945, 1134, 1260, 1286, 1620, 1890, 1929, 2268, 2572, 2835, 3215, 3780, 3858, 4501, 5670, 5787, 6430, 7716, 9002, 9645, 11340, 11574, 12860, 13503, 17361, 18004, 19290, 22505, 23148, 27006, 28935, 34722, 38580, 40509, 45010, 52083, 54012, 57870, 67515, 69444, 81018, 86805, 90020, 104166, 115740, 121527, 135030, 162036, 173610, 202545, 208332, 243054, 260415, 270060, 347220, 364581, 405090, 486108, 520830, 607635, 729162, 810180, 1041660, 1215270, 1458324, 1822905, 2430540, 3645810, 7291620]

約数ペア:

[(1, 7291620), (2, 3645810), (3, 2430540), (4, 1822905), (5, 1458324), (6, 1215270), (7, 1041660), (9, 810180), (10, 729162), (12, 607635), (14, 520830), (15, 486108), (18, 405090), (20, 364581), (21, 347220), (27, 270060), (28, 260415), (30, 243054), (35, 208332), (36, 202545), (42, 173610), (45, 162036), (54, 135030), (60, 121527), (63, 115740), (70, 104166), (81, 90020), (84, 86805), (90, 81018), (105, 69444), (108, 67515), (126, 57870), (135, 54012), (140, 52083), (162, 45010), (180, 40509), (189, 38580), (210, 34722), (252, 28935), (270, 27006), (315, 23148), (324, 22505), (378, 19290), (405, 18004), (420, 17361), (540, 13503), (567, 12860), (630, 11574), (643, 11340), (756, 9645), (810, 9002), (945, 7716), (1134, 6430), (1260, 5787), (1286, 5670), (1620, 4501), (1890, 3858), (1929, 3780), (2268, 3215), (2572, 2835)]