215916840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 160

約数和(自身を含む): 733898880

約数和(自身を除く): 517982040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 103, 108, 120, 135, 162, 180, 206, 216, 270, 309, 324, 360, 405, 412, 515, 540, 618, 647, 648, 810, 824, 927, 1030, 1080, 1236, 1294, 1545, 1620, 1854, 1941, 2060, 2472, 2588, 2781, 3090, 3235, 3240, 3708, 3882, 4120, 4635, 5176, 5562, 5823, 6180, 6470, 7416, 7764, 8343, 9270, 9705, 11124, 11646, 12360, 12940, 13905, 15528, 16686, 17469, 18540, 19410, 22248, 23292, 25880, 27810, 29115, 33372, 34938, 37080, 38820, 41715, 46584, 52407, 55620, 58230, 66641, 66744, 69876, 77640, 83430, 87345, 104814, 111240, 116460, 133282, 139752, 166860, 174690, 199923, 209628, 232920, 262035, 266564, 333205, 333720, 349380, 399846, 419256, 524070, 533128, 599769, 666410, 698760, 799692, 999615, 1048140, 1199538, 1332820, 1599384, 1799307, 1999230, 2096280, 2399076, 2665640, 2998845, 3598614, 3998460, 4798152, 5397921, 5997690, 7197228, 7996920, 8996535, 10795842, 11995380, 14394456, 17993070, 21591684, 23990760, 26989605, 35986140, 43183368, 53979210, 71972280, 107958420, 215916840]

約数ペア:

[(1, 215916840), (2, 107958420), (3, 71972280), (4, 53979210), (5, 43183368), (6, 35986140), (8, 26989605), (9, 23990760), (10, 21591684), (12, 17993070), (15, 14394456), (18, 11995380), (20, 10795842), (24, 8996535), (27, 7996920), (30, 7197228), (36, 5997690), (40, 5397921), (45, 4798152), (54, 3998460), (60, 3598614), (72, 2998845), (81, 2665640), (90, 2399076), (103, 2096280), (108, 1999230), (120, 1799307), (135, 1599384), (162, 1332820), (180, 1199538), (206, 1048140), (216, 999615), (270, 799692), (309, 698760), (324, 666410), (360, 599769), (405, 533128), (412, 524070), (515, 419256), (540, 399846), (618, 349380), (647, 333720), (648, 333205), (810, 266564), (824, 262035), (927, 232920), (1030, 209628), (1080, 199923), (1236, 174690), (1294, 166860), (1545, 139752), (1620, 133282), (1854, 116460), (1941, 111240), (2060, 104814), (2472, 87345), (2588, 83430), (2781, 77640), (3090, 69876), (3235, 66744), (3240, 66641), (3708, 58230), (3882, 55620), (4120, 52407), (4635, 46584), (5176, 41715), (5562, 38820), (5823, 37080), (6180, 34938), (6470, 33372), (7416, 29115), (7764, 27810), (8343, 25880), (9270, 23292), (9705, 22248), (11124, 19410), (11646, 18540), (12360, 17469), (12940, 16686), (13905, 15528)]