638600640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 224

約数和(自身を含む): 2157496320

約数和(自身を除く): 1518895680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 157, 160, 190, 192, 223, 228, 240, 285, 304, 314, 320, 380, 446, 456, 471, 480, 570, 608, 628, 669, 760, 785, 892, 912, 942, 960, 1115, 1140, 1216, 1256, 1338, 1520, 1570, 1784, 1824, 1884, 2230, 2280, 2355, 2512, 2676, 2983, 3040, 3140, 3345, 3568, 3648, 3768, 4237, 4460, 4560, 4710, 5024, 5352, 5966, 6080, 6280, 6690, 7136, 7536, 8474, 8920, 8949, 9120, 9420, 10048, 10704, 11932, 12560, 12711, 13380, 14272, 14915, 15072, 16948, 17840, 17898, 18240, 18840, 21185, 21408, 23864, 25120, 25422, 26760, 29830, 30144, 33896, 35011, 35680, 35796, 37680, 42370, 42816, 44745, 47728, 50240, 50844, 53520, 59660, 63555, 67792, 70022, 71360, 71592, 75360, 84740, 89490, 95456, 101688, 105033, 107040, 119320, 127110, 135584, 140044, 143184, 150720, 169480, 175055, 178980, 190912, 203376, 210066, 214080, 238640, 254220, 271168, 280088, 286368, 338960, 350110, 357960, 406752, 420132, 477280, 508440, 525165, 560176, 572736, 665209, 677920, 700220, 715920, 813504, 840264, 954560, 1016880, 1050330, 1120352, 1330418, 1355840, 1400440, 1431840, 1680528, 1995627, 2033760, 2100660, 2240704, 2660836, 2800880, 2863680, 3326045, 3361056, 3991254, 4067520, 4201320, 5321672, 5601760, 6652090, 6722112, 7982508, 8402640, 9978135, 10643344, 11203520, 13304180, 15965016, 16805280, 19956270, 21286688, 26608360, 31930032, 33610560, 39912540, 42573376, 53216720, 63860064, 79825080, 106433440, 127720128, 159650160, 212866880, 319300320, 638600640]

約数ペア:

[(1, 638600640), (2, 319300320), (3, 212866880), (4, 159650160), (5, 127720128), (6, 106433440), (8, 79825080), (10, 63860064), (12, 53216720), (15, 42573376), (16, 39912540), (19, 33610560), (20, 31930032), (24, 26608360), (30, 21286688), (32, 19956270), (38, 16805280), (40, 15965016), (48, 13304180), (57, 11203520), (60, 10643344), (64, 9978135), (76, 8402640), (80, 7982508), (95, 6722112), (96, 6652090), (114, 5601760), (120, 5321672), (152, 4201320), (157, 4067520), (160, 3991254), (190, 3361056), (192, 3326045), (223, 2863680), (228, 2800880), (240, 2660836), (285, 2240704), (304, 2100660), (314, 2033760), (320, 1995627), (380, 1680528), (446, 1431840), (456, 1400440), (471, 1355840), (480, 1330418), (570, 1120352), (608, 1050330), (628, 1016880), (669, 954560), (760, 840264), (785, 813504), (892, 715920), (912, 700220), (942, 677920), (960, 665209), (1115, 572736), (1140, 560176), (1216, 525165), (1256, 508440), (1338, 477280), (1520, 420132), (1570, 406752), (1784, 357960), (1824, 350110), (1884, 338960), (2230, 286368), (2280, 280088), (2355, 271168), (2512, 254220), (2676, 238640), (2983, 214080), (3040, 210066), (3140, 203376), (3345, 190912), (3568, 178980), (3648, 175055), (3768, 169480), (4237, 150720), (4460, 143184), (4560, 140044), (4710, 135584), (5024, 127110), (5352, 119320), (5966, 107040), (6080, 105033), (6280, 101688), (6690, 95456), (7136, 89490), (7536, 84740), (8474, 75360), (8920, 71592), (8949, 71360), (9120, 70022), (9420, 67792), (10048, 63555), (10704, 59660), (11932, 53520), (12560, 50844), (12711, 50240), (13380, 47728), (14272, 44745), (14915, 42816), (15072, 42370), (16948, 37680), (17840, 35796), (17898, 35680), (18240, 35011), (18840, 33896), (21185, 30144), (21408, 29830), (23864, 26760), (25120, 25422)]