12565980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9973}}^1$

素因数の和:9995

約数の個数: 72

約数和(自身を含む): 43566432

約数和(自身を除く): 31000452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 9973, 19946, 29919, 39892, 49865, 59838, 69811, 89757, 99730, 119676, 139622, 149595, 179514, 199460, 209433, 279244, 299190, 349055, 359028, 418866, 448785, 598380, 628299, 698110, 837732, 897570, 1047165, 1256598, 1396220, 1795140, 2094330, 2513196, 3141495, 4188660, 6282990, 12565980]

約数ペア:

[(1, 12565980), (2, 6282990), (3, 4188660), (4, 3141495), (5, 2513196), (6, 2094330), (7, 1795140), (9, 1396220), (10, 1256598), (12, 1047165), (14, 897570), (15, 837732), (18, 698110), (20, 628299), (21, 598380), (28, 448785), (30, 418866), (35, 359028), (36, 349055), (42, 299190), (45, 279244), (60, 209433), (63, 199460), (70, 179514), (84, 149595), (90, 139622), (105, 119676), (126, 99730), (140, 89757), (180, 69811), (210, 59838), (252, 49865), (315, 39892), (420, 29919), (630, 19946), (1260, 9973)]