640658880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4733}}^1$

素因数の和:4803

約数の個数: 168

約数和(自身を含む): 2250960192

約数和(自身を除く): 1610301312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 192, 235, 240, 282, 288, 320, 360, 376, 423, 470, 480, 564, 576, 705, 720, 752, 846, 940, 960, 1128, 1410, 1440, 1504, 1692, 1880, 2115, 2256, 2820, 2880, 3008, 3384, 3760, 4230, 4512, 4733, 5640, 6768, 7520, 8460, 9024, 9466, 11280, 13536, 14199, 15040, 16920, 18932, 22560, 23665, 27072, 28398, 33840, 37864, 42597, 45120, 47330, 56796, 67680, 70995, 75728, 85194, 94660, 113592, 135360, 141990, 151456, 170388, 189320, 212985, 222451, 227184, 283980, 302912, 340776, 378640, 425970, 444902, 454368, 567960, 667353, 681552, 757280, 851940, 889804, 908736, 1112255, 1135920, 1334706, 1363104, 1514560, 1703880, 1779608, 2002059, 2224510, 2271840, 2669412, 2726208, 3336765, 3407760, 3559216, 4004118, 4449020, 4543680, 5338824, 6673530, 6815520, 7118432, 8008236, 8898040, 10010295, 10677648, 13347060, 13631040, 14236864, 16016472, 17796080, 20020590, 21355296, 26694120, 32032944, 35592160, 40041180, 42710592, 53388240, 64065888, 71184320, 80082360, 106776480, 128131776, 160164720, 213552960, 320329440, 640658880]

約数ペア:

[(1, 640658880), (2, 320329440), (3, 213552960), (4, 160164720), (5, 128131776), (6, 106776480), (8, 80082360), (9, 71184320), (10, 64065888), (12, 53388240), (15, 42710592), (16, 40041180), (18, 35592160), (20, 32032944), (24, 26694120), (30, 21355296), (32, 20020590), (36, 17796080), (40, 16016472), (45, 14236864), (47, 13631040), (48, 13347060), (60, 10677648), (64, 10010295), (72, 8898040), (80, 8008236), (90, 7118432), (94, 6815520), (96, 6673530), (120, 5338824), (141, 4543680), (144, 4449020), (160, 4004118), (180, 3559216), (188, 3407760), (192, 3336765), (235, 2726208), (240, 2669412), (282, 2271840), (288, 2224510), (320, 2002059), (360, 1779608), (376, 1703880), (423, 1514560), (470, 1363104), (480, 1334706), (564, 1135920), (576, 1112255), (705, 908736), (720, 889804), (752, 851940), (846, 757280), (940, 681552), (960, 667353), (1128, 567960), (1410, 454368), (1440, 444902), (1504, 425970), (1692, 378640), (1880, 340776), (2115, 302912), (2256, 283980), (2820, 227184), (2880, 222451), (3008, 212985), (3384, 189320), (3760, 170388), (4230, 151456), (4512, 141990), (4733, 135360), (5640, 113592), (6768, 94660), (7520, 85194), (8460, 75728), (9024, 70995), (9466, 67680), (11280, 56796), (13536, 47330), (14199, 45120), (15040, 42597), (16920, 37864), (18932, 33840), (22560, 28398), (23665, 27072)]