1640247040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1834

約数の個数: 144

約数和(自身を含む): 4259189088

約数和(自身を除く): 2618942048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 256, 272, 320, 340, 344, 430, 544, 640, 680, 688, 731, 860, 1088, 1280, 1360, 1376, 1462, 1720, 1753, 2176, 2720, 2752, 2924, 3440, 3506, 3655, 4352, 5440, 5504, 5848, 6880, 7012, 7310, 8765, 10880, 11008, 11696, 13760, 14024, 14620, 17530, 21760, 23392, 27520, 28048, 29240, 29801, 35060, 46784, 55040, 56096, 58480, 59602, 70120, 75379, 93568, 112192, 116960, 119204, 140240, 149005, 150758, 187136, 224384, 233920, 238408, 280480, 298010, 301516, 376895, 448768, 467840, 476816, 560960, 596020, 603032, 753790, 935680, 953632, 1121920, 1192040, 1206064, 1281443, 1507580, 1907264, 2243840, 2384080, 2412128, 2562886, 3015160, 3814528, 4768160, 4824256, 5125772, 6030320, 6407215, 7629056, 9536320, 9648512, 10251544, 12060640, 12814430, 19072640, 19297024, 20503088, 24121280, 25628860, 38145280, 41006176, 48242560, 51257720, 82012352, 96485120, 102515440, 164024704, 205030880, 328049408, 410061760, 820123520, 1640247040]

約数ペア:

[(1, 1640247040), (2, 820123520), (4, 410061760), (5, 328049408), (8, 205030880), (10, 164024704), (16, 102515440), (17, 96485120), (20, 82012352), (32, 51257720), (34, 48242560), (40, 41006176), (43, 38145280), (64, 25628860), (68, 24121280), (80, 20503088), (85, 19297024), (86, 19072640), (128, 12814430), (136, 12060640), (160, 10251544), (170, 9648512), (172, 9536320), (215, 7629056), (256, 6407215), (272, 6030320), (320, 5125772), (340, 4824256), (344, 4768160), (430, 3814528), (544, 3015160), (640, 2562886), (680, 2412128), (688, 2384080), (731, 2243840), (860, 1907264), (1088, 1507580), (1280, 1281443), (1360, 1206064), (1376, 1192040), (1462, 1121920), (1720, 953632), (1753, 935680), (2176, 753790), (2720, 603032), (2752, 596020), (2924, 560960), (3440, 476816), (3506, 467840), (3655, 448768), (4352, 376895), (5440, 301516), (5504, 298010), (5848, 280480), (6880, 238408), (7012, 233920), (7310, 224384), (8765, 187136), (10880, 150758), (11008, 149005), (11696, 140240), (13760, 119204), (14024, 116960), (14620, 112192), (17530, 93568), (21760, 75379), (23392, 70120), (27520, 59602), (28048, 58480), (29240, 56096), (29801, 55040), (35060, 46784)]