177771420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3217}}^1$

素因数の和:3539

約数の個数: 72

約数和(自身を含む): 541164624

約数和(自身を除く): 363393204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3217, 3684, 4605, 5526, 6140, 6434, 9210, 9651, 11052, 12868, 13815, 16085, 18420, 19302, 27630, 28953, 32170, 38604, 48255, 55260, 57906, 64340, 96510, 115812, 144765, 193020, 289530, 579060, 987619, 1975238, 2962857, 3950476, 4938095, 5925714, 8888571, 9876190, 11851428, 14814285, 17777142, 19752380, 29628570, 35554284, 44442855, 59257140, 88885710, 177771420]

約数ペア:

[(1, 177771420), (2, 88885710), (3, 59257140), (4, 44442855), (5, 35554284), (6, 29628570), (9, 19752380), (10, 17777142), (12, 14814285), (15, 11851428), (18, 9876190), (20, 8888571), (30, 5925714), (36, 4938095), (45, 3950476), (60, 2962857), (90, 1975238), (180, 987619), (307, 579060), (614, 289530), (921, 193020), (1228, 144765), (1535, 115812), (1842, 96510), (2763, 64340), (3070, 57906), (3217, 55260), (3684, 48255), (4605, 38604), (5526, 32170), (6140, 28953), (6434, 27630), (9210, 19302), (9651, 18420), (11052, 16085), (12868, 13815)]