661729920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7333}}^1$

素因数の和:7402

約数の個数: 128

約数和(自身を含む): 2154435840

約数和(自身を除く): 1492705920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 376, 384, 470, 480, 564, 640, 705, 752, 940, 960, 1128, 1410, 1504, 1880, 1920, 2256, 2820, 3008, 3760, 4512, 5640, 6016, 7333, 7520, 9024, 11280, 14666, 15040, 18048, 21999, 22560, 29332, 30080, 36665, 43998, 45120, 58664, 73330, 87996, 90240, 109995, 117328, 146660, 175992, 219990, 234656, 293320, 344651, 351984, 439980, 469312, 586640, 689302, 703968, 879960, 938624, 1033953, 1173280, 1378604, 1407936, 1723255, 1759920, 2067906, 2346560, 2757208, 2815872, 3446510, 3519840, 4135812, 4693120, 5169765, 5514416, 6893020, 7039680, 8271624, 10339530, 11028832, 13786040, 14079360, 16543248, 20679060, 22057664, 27572080, 33086496, 41358120, 44115328, 55144160, 66172992, 82716240, 110288320, 132345984, 165432480, 220576640, 330864960, 661729920]

約数ペア:

[(1, 661729920), (2, 330864960), (3, 220576640), (4, 165432480), (5, 132345984), (6, 110288320), (8, 82716240), (10, 66172992), (12, 55144160), (15, 44115328), (16, 41358120), (20, 33086496), (24, 27572080), (30, 22057664), (32, 20679060), (40, 16543248), (47, 14079360), (48, 13786040), (60, 11028832), (64, 10339530), (80, 8271624), (94, 7039680), (96, 6893020), (120, 5514416), (128, 5169765), (141, 4693120), (160, 4135812), (188, 3519840), (192, 3446510), (235, 2815872), (240, 2757208), (282, 2346560), (320, 2067906), (376, 1759920), (384, 1723255), (470, 1407936), (480, 1378604), (564, 1173280), (640, 1033953), (705, 938624), (752, 879960), (940, 703968), (960, 689302), (1128, 586640), (1410, 469312), (1504, 439980), (1880, 351984), (1920, 344651), (2256, 293320), (2820, 234656), (3008, 219990), (3760, 175992), (4512, 146660), (5640, 117328), (6016, 109995), (7333, 90240), (7520, 87996), (9024, 73330), (11280, 58664), (14666, 45120), (15040, 43998), (18048, 36665), (21999, 30080), (22560, 29332)]