1225620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 4062240

約数和(自身を除く): 2836620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 619, 660, 990, 1238, 1857, 1980, 2476, 3095, 3714, 5571, 6190, 6809, 7428, 9285, 11142, 12380, 13618, 18570, 20427, 22284, 27236, 27855, 34045, 37140, 40854, 55710, 61281, 68090, 81708, 102135, 111420, 122562, 136180, 204270, 245124, 306405, 408540, 612810, 1225620]

約数ペア:

[(1, 1225620), (2, 612810), (3, 408540), (4, 306405), (5, 245124), (6, 204270), (9, 136180), (10, 122562), (11, 111420), (12, 102135), (15, 81708), (18, 68090), (20, 61281), (22, 55710), (30, 40854), (33, 37140), (36, 34045), (44, 27855), (45, 27236), (55, 22284), (60, 20427), (66, 18570), (90, 13618), (99, 12380), (110, 11142), (132, 9285), (165, 7428), (180, 6809), (198, 6190), (220, 5571), (330, 3714), (396, 3095), (495, 2476), (619, 1980), (660, 1857), (990, 1238)]