663478480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 1874165760

約数和(自身を除く): 1210687280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 127, 133, 140, 152, 190, 254, 266, 280, 304, 380, 491, 508, 532, 560, 635, 665, 760, 889, 982, 1016, 1064, 1270, 1330, 1520, 1778, 1964, 2032, 2128, 2413, 2455, 2540, 2660, 3437, 3556, 3928, 4445, 4826, 4910, 5080, 5320, 6874, 7112, 7856, 8890, 9329, 9652, 9820, 10160, 10640, 12065, 13748, 14224, 16891, 17185, 17780, 18658, 19304, 19640, 24130, 27496, 33782, 34370, 35560, 37316, 38608, 39280, 46645, 48260, 54992, 62357, 65303, 67564, 68740, 71120, 74632, 84455, 93290, 96520, 124714, 130606, 135128, 137480, 149264, 168910, 186580, 193040, 249428, 261212, 270256, 274960, 311785, 326515, 337820, 373160, 436499, 498856, 522424, 623570, 653030, 675640, 746320, 872998, 997712, 1044848, 1184783, 1247140, 1306060, 1351280, 1745996, 2182495, 2369566, 2494280, 2612120, 3491992, 4364990, 4739132, 4988560, 5224240, 5923915, 6983984, 8293481, 8729980, 9478264, 11847830, 16586962, 17459960, 18956528, 23695660, 33173924, 34919920, 41467405, 47391320, 66347848, 82934810, 94782640, 132695696, 165869620, 331739240, 663478480]

約数ペア:

[(1, 663478480), (2, 331739240), (4, 165869620), (5, 132695696), (7, 94782640), (8, 82934810), (10, 66347848), (14, 47391320), (16, 41467405), (19, 34919920), (20, 33173924), (28, 23695660), (35, 18956528), (38, 17459960), (40, 16586962), (56, 11847830), (70, 9478264), (76, 8729980), (80, 8293481), (95, 6983984), (112, 5923915), (127, 5224240), (133, 4988560), (140, 4739132), (152, 4364990), (190, 3491992), (254, 2612120), (266, 2494280), (280, 2369566), (304, 2182495), (380, 1745996), (491, 1351280), (508, 1306060), (532, 1247140), (560, 1184783), (635, 1044848), (665, 997712), (760, 872998), (889, 746320), (982, 675640), (1016, 653030), (1064, 623570), (1270, 522424), (1330, 498856), (1520, 436499), (1778, 373160), (1964, 337820), (2032, 326515), (2128, 311785), (2413, 274960), (2455, 270256), (2540, 261212), (2660, 249428), (3437, 193040), (3556, 186580), (3928, 168910), (4445, 149264), (4826, 137480), (4910, 135128), (5080, 130606), (5320, 124714), (6874, 96520), (7112, 93290), (7856, 84455), (8890, 74632), (9329, 71120), (9652, 68740), (9820, 67564), (10160, 65303), (10640, 62357), (12065, 54992), (13748, 48260), (14224, 46645), (16891, 39280), (17185, 38608), (17780, 37316), (18658, 35560), (19304, 34370), (19640, 33782), (24130, 27496)]