18523920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 58210560

約数和(自身を除く): 39686640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 977, 1185, 1264, 1580, 1896, 1954, 2370, 2931, 3160, 3792, 3908, 4740, 4885, 5862, 6320, 7816, 9480, 9770, 11724, 14655, 15632, 18960, 19540, 23448, 29310, 39080, 46896, 58620, 77183, 78160, 117240, 154366, 231549, 234480, 308732, 385915, 463098, 617464, 771830, 926196, 1157745, 1234928, 1543660, 1852392, 2315490, 3087320, 3704784, 4630980, 6174640, 9261960, 18523920]

約数ペア:

[(1, 18523920), (2, 9261960), (3, 6174640), (4, 4630980), (5, 3704784), (6, 3087320), (8, 2315490), (10, 1852392), (12, 1543660), (15, 1234928), (16, 1157745), (20, 926196), (24, 771830), (30, 617464), (40, 463098), (48, 385915), (60, 308732), (79, 234480), (80, 231549), (120, 154366), (158, 117240), (237, 78160), (240, 77183), (316, 58620), (395, 46896), (474, 39080), (632, 29310), (790, 23448), (948, 19540), (977, 18960), (1185, 15632), (1264, 14655), (1580, 11724), (1896, 9770), (1954, 9480), (2370, 7816), (2931, 6320), (3160, 5862), (3792, 4885), (3908, 4740)]