853556480

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 216

約数和(自身を含む): 2460648960

約数和(自身を除く): 1607092480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 320, 392, 434, 439, 448, 490, 496, 560, 620, 640, 784, 868, 878, 896, 980, 992, 1085, 1120, 1240, 1280, 1519, 1568, 1736, 1756, 1792, 1960, 1984, 2170, 2195, 2240, 2480, 3038, 3073, 3136, 3472, 3512, 3920, 3968, 4340, 4390, 4480, 4960, 6076, 6146, 6272, 6944, 7024, 7595, 7840, 7936, 8680, 8780, 8960, 9920, 12152, 12292, 12544, 13609, 13888, 14048, 15190, 15365, 15680, 17360, 17560, 19840, 21511, 24304, 24584, 27218, 27776, 28096, 30380, 30730, 31360, 34720, 35120, 39680, 43022, 48608, 49168, 54436, 55552, 56192, 60760, 61460, 62720, 68045, 69440, 70240, 86044, 95263, 97216, 98336, 107555, 108872, 112384, 121520, 122920, 136090, 138880, 140480, 172088, 190526, 194432, 196672, 215110, 217744, 243040, 245840, 272180, 277760, 280960, 344176, 381052, 388864, 393344, 430220, 435488, 476315, 486080, 491680, 544360, 561920, 666841, 688352, 762104, 786688, 860440, 870976, 952630, 972160, 983360, 1088720, 1333682, 1376704, 1524208, 1720880, 1741952, 1905260, 1944320, 1966720, 2177440, 2667364, 2753408, 3048416, 3334205, 3441760, 3483904, 3810520, 3933440, 4354880, 5334728, 5506816, 6096832, 6668410, 6883520, 7621040, 8709760, 10669456, 12193664, 13336820, 13767040, 15242080, 17419520, 21338912, 24387328, 26673640, 27534080, 30484160, 42677824, 53347280, 60968320, 85355648, 106694560, 121936640, 170711296, 213389120, 426778240, 853556480]

約数ペア:

[(1, 853556480), (2, 426778240), (4, 213389120), (5, 170711296), (7, 121936640), (8, 106694560), (10, 85355648), (14, 60968320), (16, 53347280), (20, 42677824), (28, 30484160), (31, 27534080), (32, 26673640), (35, 24387328), (40, 21338912), (49, 17419520), (56, 15242080), (62, 13767040), (64, 13336820), (70, 12193664), (80, 10669456), (98, 8709760), (112, 7621040), (124, 6883520), (128, 6668410), (140, 6096832), (155, 5506816), (160, 5334728), (196, 4354880), (217, 3933440), (224, 3810520), (245, 3483904), (248, 3441760), (256, 3334205), (280, 3048416), (310, 2753408), (320, 2667364), (392, 2177440), (434, 1966720), (439, 1944320), (448, 1905260), (490, 1741952), (496, 1720880), (560, 1524208), (620, 1376704), (640, 1333682), (784, 1088720), (868, 983360), (878, 972160), (896, 952630), (980, 870976), (992, 860440), (1085, 786688), (1120, 762104), (1240, 688352), (1280, 666841), (1519, 561920), (1568, 544360), (1736, 491680), (1756, 486080), (1792, 476315), (1960, 435488), (1984, 430220), (2170, 393344), (2195, 388864), (2240, 381052), (2480, 344176), (3038, 280960), (3073, 277760), (3136, 272180), (3472, 245840), (3512, 243040), (3920, 217744), (3968, 215110), (4340, 196672), (4390, 194432), (4480, 190526), (4960, 172088), (6076, 140480), (6146, 138880), (6272, 136090), (6944, 122920), (7024, 121520), (7595, 112384), (7840, 108872), (7936, 107555), (8680, 98336), (8780, 97216), (8960, 95263), (9920, 86044), (12152, 70240), (12292, 69440), (12544, 68045), (13609, 62720), (13888, 61460), (14048, 60760), (15190, 56192), (15365, 55552), (15680, 54436), (17360, 49168), (17560, 48608), (19840, 43022), (21511, 39680), (24304, 35120), (24584, 34720), (27218, 31360), (27776, 30730), (28096, 30380)]