205490520

素因数分解:

$2^3\times 3^{11}\times 5^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 192

約数和(自身を含む): 717444000

約数和(自身を除く): 511953480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 216, 232, 243, 261, 270, 290, 324, 348, 360, 405, 435, 486, 522, 540, 580, 648, 696, 729, 783, 810, 870, 972, 1044, 1080, 1160, 1215, 1305, 1458, 1566, 1620, 1740, 1944, 2088, 2187, 2349, 2430, 2610, 2916, 3132, 3240, 3480, 3645, 3915, 4374, 4698, 4860, 5220, 5832, 6264, 6561, 7047, 7290, 7830, 8748, 9396, 9720, 10440, 10935, 11745, 13122, 14094, 14580, 15660, 17496, 18792, 19683, 21141, 21870, 23490, 26244, 28188, 29160, 31320, 32805, 35235, 39366, 42282, 43740, 46980, 52488, 56376, 59049, 63423, 65610, 70470, 78732, 84564, 87480, 93960, 98415, 105705, 118098, 126846, 131220, 140940, 157464, 169128, 177147, 190269, 196830, 211410, 236196, 253692, 262440, 281880, 295245, 317115, 354294, 380538, 393660, 422820, 472392, 507384, 570807, 590490, 634230, 708588, 761076, 787320, 845640, 885735, 951345, 1141614, 1180980, 1268460, 1417176, 1522152, 1712421, 1771470, 1902690, 2283228, 2361960, 2536920, 2854035, 3424842, 3542940, 3805380, 4566456, 5137263, 5708070, 6849684, 7085880, 7610760, 8562105, 10274526, 11416140, 13699368, 17124210, 20549052, 22832280, 25686315, 34248420, 41098104, 51372630, 68496840, 102745260, 205490520]

約数ペア:

[(1, 205490520), (2, 102745260), (3, 68496840), (4, 51372630), (5, 41098104), (6, 34248420), (8, 25686315), (9, 22832280), (10, 20549052), (12, 17124210), (15, 13699368), (18, 11416140), (20, 10274526), (24, 8562105), (27, 7610760), (29, 7085880), (30, 6849684), (36, 5708070), (40, 5137263), (45, 4566456), (54, 3805380), (58, 3542940), (60, 3424842), (72, 2854035), (81, 2536920), (87, 2361960), (90, 2283228), (108, 1902690), (116, 1771470), (120, 1712421), (135, 1522152), (145, 1417176), (162, 1268460), (174, 1180980), (180, 1141614), (216, 951345), (232, 885735), (243, 845640), (261, 787320), (270, 761076), (290, 708588), (324, 634230), (348, 590490), (360, 570807), (405, 507384), (435, 472392), (486, 422820), (522, 393660), (540, 380538), (580, 354294), (648, 317115), (696, 295245), (729, 281880), (783, 262440), (810, 253692), (870, 236196), (972, 211410), (1044, 196830), (1080, 190269), (1160, 177147), (1215, 169128), (1305, 157464), (1458, 140940), (1566, 131220), (1620, 126846), (1740, 118098), (1944, 105705), (2088, 98415), (2187, 93960), (2349, 87480), (2430, 84564), (2610, 78732), (2916, 70470), (3132, 65610), (3240, 63423), (3480, 59049), (3645, 56376), (3915, 52488), (4374, 46980), (4698, 43740), (4860, 42282), (5220, 39366), (5832, 35235), (6264, 32805), (6561, 31320), (7047, 29160), (7290, 28188), (7830, 26244), (8748, 23490), (9396, 21870), (9720, 21141), (10440, 19683), (10935, 18792), (11745, 17496), (13122, 15660), (14094, 14580)]