180939440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1770

約数の個数: 80

約数和(自身を含む): 462827520

約数和(自身を除く): 281888080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1270, 1397, 1619, 2032, 2540, 2794, 3238, 5080, 5588, 6476, 6985, 8095, 10160, 11176, 12952, 13970, 16190, 17809, 22352, 25904, 27940, 32380, 35618, 55880, 64760, 71236, 89045, 111760, 129520, 142472, 178090, 205613, 284944, 356180, 411226, 712360, 822452, 1028065, 1424720, 1644904, 2056130, 2261743, 3289808, 4112260, 4523486, 8224520, 9046972, 11308715, 16449040, 18093944, 22617430, 36187888, 45234860, 90469720, 180939440]

約数ペア:

[(1, 180939440), (2, 90469720), (4, 45234860), (5, 36187888), (8, 22617430), (10, 18093944), (11, 16449040), (16, 11308715), (20, 9046972), (22, 8224520), (40, 4523486), (44, 4112260), (55, 3289808), (80, 2261743), (88, 2056130), (110, 1644904), (127, 1424720), (176, 1028065), (220, 822452), (254, 712360), (440, 411226), (508, 356180), (635, 284944), (880, 205613), (1016, 178090), (1270, 142472), (1397, 129520), (1619, 111760), (2032, 89045), (2540, 71236), (2794, 64760), (3238, 55880), (5080, 35618), (5588, 32380), (6476, 27940), (6985, 25904), (8095, 22352), (10160, 17809), (11176, 16190), (12952, 13970)]