220256820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19423}}^1$

素因数の和:19451

約数の個数: 120

約数和(自身を含む): 789702144

約数和(自身を除く): 569445324

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, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 19423, 38846, 58269, 77692, 97115, 116538, 135961, 174807, 194230, 233076, 271922, 291345, 349614, 388460, 407883, 524421, 543844, 582690, 679805, 699228, 815766, 874035, 1048842, 1165380, 1223649, 1359610, 1573263, 1631532, 1748070, 2039415, 2097684, 2447298, 2622105, 2719220, 3146526, 3496140, 3670947, 4078830, 4894596, 5244210, 6118245, 6293052, 7341894, 7866315, 8157660, 10488420, 11012841, 12236490, 14683788, 15732630, 18354735, 22025682, 24472980, 31465260, 36709470, 44051364, 55064205, 73418940, 110128410, 220256820]

約数ペア:

[(1, 220256820), (2, 110128410), (3, 73418940), (4, 55064205), (5, 44051364), (6, 36709470), (7, 31465260), (9, 24472980), (10, 22025682), (12, 18354735), (14, 15732630), (15, 14683788), (18, 12236490), (20, 11012841), (21, 10488420), (27, 8157660), (28, 7866315), (30, 7341894), (35, 6293052), (36, 6118245), (42, 5244210), (45, 4894596), (54, 4078830), (60, 3670947), (63, 3496140), (70, 3146526), (81, 2719220), (84, 2622105), (90, 2447298), (105, 2097684), (108, 2039415), (126, 1748070), (135, 1631532), (140, 1573263), (162, 1359610), (180, 1223649), (189, 1165380), (210, 1048842), (252, 874035), (270, 815766), (315, 699228), (324, 679805), (378, 582690), (405, 543844), (420, 524421), (540, 407883), (567, 388460), (630, 349614), (756, 291345), (810, 271922), (945, 233076), (1134, 194230), (1260, 174807), (1620, 135961), (1890, 116538), (2268, 97115), (2835, 77692), (3780, 58269), (5670, 38846), (11340, 19423)]