257352800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 674956800

約数和(自身を除く): 417604000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 127, 136, 149, 160, 170, 200, 254, 272, 298, 340, 400, 425, 508, 544, 596, 635, 680, 745, 800, 850, 1016, 1192, 1270, 1360, 1490, 1700, 2032, 2159, 2384, 2533, 2540, 2720, 2980, 3175, 3400, 3725, 4064, 4318, 4768, 5066, 5080, 5960, 6350, 6800, 7450, 8636, 10132, 10160, 10795, 11920, 12665, 12700, 13600, 14900, 17272, 18923, 20264, 20320, 21590, 23840, 25330, 25400, 29800, 34544, 37846, 40528, 43180, 50660, 50800, 53975, 59600, 63325, 69088, 75692, 81056, 86360, 94615, 101320, 101600, 107950, 119200, 126650, 151384, 172720, 189230, 202640, 215900, 253300, 302768, 321691, 345440, 378460, 405280, 431800, 473075, 506600, 605536, 643382, 756920, 863600, 946150, 1013200, 1286764, 1513840, 1608455, 1727200, 1892300, 2026400, 2573528, 3027680, 3216910, 3784600, 5147056, 6433820, 7569200, 8042275, 10294112, 12867640, 15138400, 16084550, 25735280, 32169100, 51470560, 64338200, 128676400, 257352800]

約数ペア:

[(1, 257352800), (2, 128676400), (4, 64338200), (5, 51470560), (8, 32169100), (10, 25735280), (16, 16084550), (17, 15138400), (20, 12867640), (25, 10294112), (32, 8042275), (34, 7569200), (40, 6433820), (50, 5147056), (68, 3784600), (80, 3216910), (85, 3027680), (100, 2573528), (127, 2026400), (136, 1892300), (149, 1727200), (160, 1608455), (170, 1513840), (200, 1286764), (254, 1013200), (272, 946150), (298, 863600), (340, 756920), (400, 643382), (425, 605536), (508, 506600), (544, 473075), (596, 431800), (635, 405280), (680, 378460), (745, 345440), (800, 321691), (850, 302768), (1016, 253300), (1192, 215900), (1270, 202640), (1360, 189230), (1490, 172720), (1700, 151384), (2032, 126650), (2159, 119200), (2384, 107950), (2533, 101600), (2540, 101320), (2720, 94615), (2980, 86360), (3175, 81056), (3400, 75692), (3725, 69088), (4064, 63325), (4318, 59600), (4768, 53975), (5066, 50800), (5080, 50660), (5960, 43180), (6350, 40528), (6800, 37846), (7450, 34544), (8636, 29800), (10132, 25400), (10160, 25330), (10795, 23840), (11920, 21590), (12665, 20320), (12700, 20264), (13600, 18923), (14900, 17272)]