127218560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 353246400

約数和(自身を除く): 226027840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 389, 448, 511, 560, 584, 640, 730, 778, 896, 1022, 1120, 1168, 1460, 1556, 1945, 2044, 2240, 2336, 2555, 2723, 2920, 3112, 3890, 4088, 4480, 4672, 5110, 5446, 5840, 6224, 7780, 8176, 9344, 10220, 10892, 11680, 12448, 13615, 15560, 16352, 20440, 21784, 23360, 24896, 27230, 28397, 31120, 32704, 40880, 43568, 46720, 49792, 54460, 56794, 62240, 65408, 81760, 87136, 108920, 113588, 124480, 141985, 163520, 174272, 198779, 217840, 227176, 248960, 283970, 327040, 348544, 397558, 435680, 454352, 567940, 795116, 871360, 908704, 993895, 1135880, 1590232, 1742720, 1817408, 1987790, 2271760, 3180464, 3634816, 3975580, 4543520, 6360928, 7951160, 9087040, 12721856, 15902320, 18174080, 25443712, 31804640, 63609280, 127218560]

約数ペア:

[(1, 127218560), (2, 63609280), (4, 31804640), (5, 25443712), (7, 18174080), (8, 15902320), (10, 12721856), (14, 9087040), (16, 7951160), (20, 6360928), (28, 4543520), (32, 3975580), (35, 3634816), (40, 3180464), (56, 2271760), (64, 1987790), (70, 1817408), (73, 1742720), (80, 1590232), (112, 1135880), (128, 993895), (140, 908704), (146, 871360), (160, 795116), (224, 567940), (280, 454352), (292, 435680), (320, 397558), (365, 348544), (389, 327040), (448, 283970), (511, 248960), (560, 227176), (584, 217840), (640, 198779), (730, 174272), (778, 163520), (896, 141985), (1022, 124480), (1120, 113588), (1168, 108920), (1460, 87136), (1556, 81760), (1945, 65408), (2044, 62240), (2240, 56794), (2336, 54460), (2555, 49792), (2723, 46720), (2920, 43568), (3112, 40880), (3890, 32704), (4088, 31120), (4480, 28397), (4672, 27230), (5110, 24896), (5446, 23360), (5840, 21784), (6224, 20440), (7780, 16352), (8176, 15560), (9344, 13615), (10220, 12448), (10892, 11680)]