180902480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 461006208

約数和(自身を除く): 280103728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 311, 440, 622, 661, 880, 1244, 1322, 1555, 2488, 2644, 3110, 3305, 3421, 4976, 5288, 6220, 6610, 6842, 7271, 10576, 12440, 13220, 13684, 14542, 17105, 24880, 26440, 27368, 29084, 34210, 36355, 52880, 54736, 58168, 68420, 72710, 116336, 136840, 145420, 205571, 273680, 290840, 411142, 581680, 822284, 1027855, 1644568, 2055710, 2261281, 3289136, 4111420, 4522562, 8222840, 9045124, 11306405, 16445680, 18090248, 22612810, 36180496, 45225620, 90451240, 180902480]

約数ペア:

[(1, 180902480), (2, 90451240), (4, 45225620), (5, 36180496), (8, 22612810), (10, 18090248), (11, 16445680), (16, 11306405), (20, 9045124), (22, 8222840), (40, 4522562), (44, 4111420), (55, 3289136), (80, 2261281), (88, 2055710), (110, 1644568), (176, 1027855), (220, 822284), (311, 581680), (440, 411142), (622, 290840), (661, 273680), (880, 205571), (1244, 145420), (1322, 136840), (1555, 116336), (2488, 72710), (2644, 68420), (3110, 58168), (3305, 54736), (3421, 52880), (4976, 36355), (5288, 34210), (6220, 29084), (6610, 27368), (6842, 26440), (7271, 24880), (10576, 17105), (12440, 14542), (13220, 13684)]