255777840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3449}}^1$

素因数の和:3571

約数の個数: 120

約数和(自身を含む): 867578400

約数和(自身を除く): 611800560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 309, 360, 412, 515, 618, 720, 824, 927, 1030, 1236, 1545, 1648, 1854, 2060, 2472, 3090, 3449, 3708, 4120, 4635, 4944, 6180, 6898, 7416, 8240, 9270, 10347, 12360, 13796, 14832, 17245, 18540, 20694, 24720, 27592, 31041, 34490, 37080, 41388, 51735, 55184, 62082, 68980, 74160, 82776, 103470, 124164, 137960, 155205, 165552, 206940, 248328, 275920, 310410, 355247, 413880, 496656, 620820, 710494, 827760, 1065741, 1241640, 1420988, 1776235, 2131482, 2483280, 2841976, 3197223, 3552470, 4262964, 5328705, 5683952, 6394446, 7104940, 8525928, 10657410, 12788892, 14209880, 15986115, 17051856, 21314820, 25577784, 28419760, 31972230, 42629640, 51155568, 63944460, 85259280, 127888920, 255777840]

約数ペア:

[(1, 255777840), (2, 127888920), (3, 85259280), (4, 63944460), (5, 51155568), (6, 42629640), (8, 31972230), (9, 28419760), (10, 25577784), (12, 21314820), (15, 17051856), (16, 15986115), (18, 14209880), (20, 12788892), (24, 10657410), (30, 8525928), (36, 7104940), (40, 6394446), (45, 5683952), (48, 5328705), (60, 4262964), (72, 3552470), (80, 3197223), (90, 2841976), (103, 2483280), (120, 2131482), (144, 1776235), (180, 1420988), (206, 1241640), (240, 1065741), (309, 827760), (360, 710494), (412, 620820), (515, 496656), (618, 413880), (720, 355247), (824, 310410), (927, 275920), (1030, 248328), (1236, 206940), (1545, 165552), (1648, 155205), (1854, 137960), (2060, 124164), (2472, 103470), (3090, 82776), (3449, 74160), (3708, 68980), (4120, 62082), (4635, 55184), (4944, 51735), (6180, 41388), (6898, 37080), (7416, 34490), (8240, 31041), (9270, 27592), (10347, 24720), (12360, 20694), (13796, 18540), (14832, 17245)]