138531960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{54973}}^1$

素因数の和:54997

約数の個数: 96

約数和(自身を含む): 514556640

約数和(自身を除く): 376024680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 54973, 109946, 164919, 219892, 274865, 329838, 384811, 439784, 494757, 549730, 659676, 769622, 824595, 989514, 1099460, 1154433, 1319352, 1539244, 1649190, 1924055, 1979028, 2198920, 2308866, 2473785, 3078488, 3298380, 3463299, 3848110, 3958056, 4617732, 4947570, 5772165, 6596760, 6926598, 7696220, 9235464, 9895140, 11544330, 13853196, 15392440, 17316495, 19790280, 23088660, 27706392, 34632990, 46177320, 69265980, 138531960]

約数ペア:

[(1, 138531960), (2, 69265980), (3, 46177320), (4, 34632990), (5, 27706392), (6, 23088660), (7, 19790280), (8, 17316495), (9, 15392440), (10, 13853196), (12, 11544330), (14, 9895140), (15, 9235464), (18, 7696220), (20, 6926598), (21, 6596760), (24, 5772165), (28, 4947570), (30, 4617732), (35, 3958056), (36, 3848110), (40, 3463299), (42, 3298380), (45, 3078488), (56, 2473785), (60, 2308866), (63, 2198920), (70, 1979028), (72, 1924055), (84, 1649190), (90, 1539244), (105, 1319352), (120, 1154433), (126, 1099460), (140, 989514), (168, 824595), (180, 769622), (210, 659676), (252, 549730), (280, 494757), (315, 439784), (360, 384811), (420, 329838), (504, 274865), (630, 219892), (840, 164919), (1260, 109946), (2520, 54973)]