28234980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 91780920

約数和(自身を除く): 63545940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 601, 783, 810, 870, 1044, 1202, 1305, 1566, 1620, 1740, 1803, 2349, 2404, 2610, 3005, 3132, 3606, 3915, 4698, 5220, 5409, 6010, 7212, 7830, 9015, 9396, 10818, 11745, 12020, 15660, 16227, 17429, 18030, 21636, 23490, 27045, 32454, 34858, 36060, 46980, 48681, 52287, 54090, 64908, 69716, 81135, 87145, 97362, 104574, 108180, 156861, 162270, 174290, 194724, 209148, 243405, 261435, 313722, 324540, 348580, 470583, 486810, 522870, 627444, 784305, 941166, 973620, 1045740, 1411749, 1568610, 1882332, 2352915, 2823498, 3137220, 4705830, 5646996, 7058745, 9411660, 14117490, 28234980]

約数ペア:

[(1, 28234980), (2, 14117490), (3, 9411660), (4, 7058745), (5, 5646996), (6, 4705830), (9, 3137220), (10, 2823498), (12, 2352915), (15, 1882332), (18, 1568610), (20, 1411749), (27, 1045740), (29, 973620), (30, 941166), (36, 784305), (45, 627444), (54, 522870), (58, 486810), (60, 470583), (81, 348580), (87, 324540), (90, 313722), (108, 261435), (116, 243405), (135, 209148), (145, 194724), (162, 174290), (174, 162270), (180, 156861), (261, 108180), (270, 104574), (290, 97362), (324, 87145), (348, 81135), (405, 69716), (435, 64908), (522, 54090), (540, 52287), (580, 48681), (601, 46980), (783, 36060), (810, 34858), (870, 32454), (1044, 27045), (1202, 23490), (1305, 21636), (1566, 18030), (1620, 17429), (1740, 16227), (1803, 15660), (2349, 12020), (2404, 11745), (2610, 10818), (3005, 9396), (3132, 9015), (3606, 7830), (3915, 7212), (4698, 6010), (5220, 5409)]