479711680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1002

約数の個数: 112

約数和(自身を含む): 1311469056

約数和(自身を除く): 831757376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 331, 448, 560, 647, 662, 1120, 1294, 1324, 1655, 2240, 2317, 2588, 2648, 3235, 3310, 4529, 4634, 5176, 5296, 6470, 6620, 9058, 9268, 10352, 10592, 11585, 12940, 13240, 18116, 18536, 20704, 21184, 22645, 23170, 25880, 26480, 36232, 37072, 41408, 45290, 46340, 51760, 52960, 72464, 74144, 90580, 92680, 103520, 105920, 144928, 148288, 181160, 185360, 207040, 214157, 289856, 362320, 370720, 428314, 724640, 741440, 856628, 1070785, 1449280, 1499099, 1713256, 2141570, 2998198, 3426512, 4283140, 5996396, 6853024, 7495495, 8566280, 11992792, 13706048, 14990990, 17132560, 23985584, 29981980, 34265120, 47971168, 59963960, 68530240, 95942336, 119927920, 239855840, 479711680]

約数ペア:

[(1, 479711680), (2, 239855840), (4, 119927920), (5, 95942336), (7, 68530240), (8, 59963960), (10, 47971168), (14, 34265120), (16, 29981980), (20, 23985584), (28, 17132560), (32, 14990990), (35, 13706048), (40, 11992792), (56, 8566280), (64, 7495495), (70, 6853024), (80, 5996396), (112, 4283140), (140, 3426512), (160, 2998198), (224, 2141570), (280, 1713256), (320, 1499099), (331, 1449280), (448, 1070785), (560, 856628), (647, 741440), (662, 724640), (1120, 428314), (1294, 370720), (1324, 362320), (1655, 289856), (2240, 214157), (2317, 207040), (2588, 185360), (2648, 181160), (3235, 148288), (3310, 144928), (4529, 105920), (4634, 103520), (5176, 92680), (5296, 90580), (6470, 74144), (6620, 72464), (9058, 52960), (9268, 51760), (10352, 46340), (10592, 45290), (11585, 41408), (12940, 37072), (13240, 36232), (18116, 26480), (18536, 25880), (20704, 23170), (21184, 22645)]