147483280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1181}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 393974784

約数和(自身を除く): 246491504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1181, 1561, 1784, 2230, 2362, 3122, 3568, 4460, 4724, 5905, 6244, 7805, 8267, 8920, 9448, 11810, 12488, 15610, 16534, 17840, 18896, 23620, 24976, 31220, 33068, 41335, 47240, 62440, 66136, 82670, 94480, 124880, 132272, 165340, 263363, 330680, 526726, 661360, 1053452, 1316815, 1843541, 2106904, 2633630, 3687082, 4213808, 5267260, 7374164, 9217705, 10534520, 14748328, 18435410, 21069040, 29496656, 36870820, 73741640, 147483280]

約数ペア:

[(1, 147483280), (2, 73741640), (4, 36870820), (5, 29496656), (7, 21069040), (8, 18435410), (10, 14748328), (14, 10534520), (16, 9217705), (20, 7374164), (28, 5267260), (35, 4213808), (40, 3687082), (56, 2633630), (70, 2106904), (80, 1843541), (112, 1316815), (140, 1053452), (223, 661360), (280, 526726), (446, 330680), (560, 263363), (892, 165340), (1115, 132272), (1181, 124880), (1561, 94480), (1784, 82670), (2230, 66136), (2362, 62440), (3122, 47240), (3568, 41335), (4460, 33068), (4724, 31220), (5905, 24976), (6244, 23620), (7805, 18896), (8267, 17840), (8920, 16534), (9448, 15610), (11810, 12488)]