661999680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4337}}^1$

素因数の和:4413

約数の個数: 168

約数和(自身を含む): 2320500312

約数和(自身を除く): 1658500632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 192, 212, 240, 265, 288, 318, 320, 360, 424, 477, 480, 530, 576, 636, 720, 795, 848, 954, 960, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 2880, 3180, 3392, 3816, 4240, 4337, 4770, 5088, 6360, 7632, 8480, 8674, 9540, 10176, 12720, 13011, 15264, 16960, 17348, 19080, 21685, 25440, 26022, 30528, 34696, 38160, 39033, 43370, 50880, 52044, 65055, 69392, 76320, 78066, 86740, 104088, 130110, 138784, 152640, 156132, 173480, 195165, 208176, 229861, 260220, 277568, 312264, 346960, 390330, 416352, 459722, 520440, 624528, 689583, 693920, 780660, 832704, 919444, 1040880, 1149305, 1249056, 1379166, 1387840, 1561320, 1838888, 2068749, 2081760, 2298610, 2498112, 2758332, 3122640, 3447915, 3677776, 4137498, 4163520, 4597220, 5516664, 6245280, 6895830, 7355552, 8274996, 9194440, 10343745, 11033328, 12490560, 13791660, 14711104, 16549992, 18388880, 20687490, 22066656, 27583320, 33099984, 36777760, 41374980, 44133312, 55166640, 66199968, 73555520, 82749960, 110333280, 132399936, 165499920, 220666560, 330999840, 661999680]

約数ペア:

[(1, 661999680), (2, 330999840), (3, 220666560), (4, 165499920), (5, 132399936), (6, 110333280), (8, 82749960), (9, 73555520), (10, 66199968), (12, 55166640), (15, 44133312), (16, 41374980), (18, 36777760), (20, 33099984), (24, 27583320), (30, 22066656), (32, 20687490), (36, 18388880), (40, 16549992), (45, 14711104), (48, 13791660), (53, 12490560), (60, 11033328), (64, 10343745), (72, 9194440), (80, 8274996), (90, 7355552), (96, 6895830), (106, 6245280), (120, 5516664), (144, 4597220), (159, 4163520), (160, 4137498), (180, 3677776), (192, 3447915), (212, 3122640), (240, 2758332), (265, 2498112), (288, 2298610), (318, 2081760), (320, 2068749), (360, 1838888), (424, 1561320), (477, 1387840), (480, 1379166), (530, 1249056), (576, 1149305), (636, 1040880), (720, 919444), (795, 832704), (848, 780660), (954, 693920), (960, 689583), (1060, 624528), (1272, 520440), (1440, 459722), (1590, 416352), (1696, 390330), (1908, 346960), (2120, 312264), (2385, 277568), (2544, 260220), (2880, 229861), (3180, 208176), (3392, 195165), (3816, 173480), (4240, 156132), (4337, 152640), (4770, 138784), (5088, 130110), (6360, 104088), (7632, 86740), (8480, 78066), (8674, 76320), (9540, 69392), (10176, 65055), (12720, 52044), (13011, 50880), (15264, 43370), (16960, 39033), (17348, 38160), (19080, 34696), (21685, 30528), (25440, 26022)]