198439680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1722

約数の個数: 144

約数和(自身を含む): 654603264

約数和(自身を除く): 456163584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1667, 1860, 1920, 1984, 2480, 2976, 3334, 3720, 3840, 3968, 4960, 5001, 5952, 6668, 7440, 7936, 8335, 9920, 10002, 11904, 13336, 14880, 16670, 19840, 20004, 23808, 25005, 26672, 29760, 33340, 39680, 40008, 50010, 51677, 53344, 59520, 66680, 80016, 100020, 103354, 106688, 119040, 133360, 155031, 160032, 200040, 206708, 213376, 258385, 266720, 310062, 320064, 400080, 413416, 426752, 516770, 533440, 620124, 640128, 775155, 800160, 826832, 1033540, 1066880, 1240248, 1280256, 1550310, 1600320, 1653664, 2067080, 2133760, 2480496, 3100620, 3200640, 3307328, 4134160, 4960992, 6201240, 6401280, 6614656, 8268320, 9921984, 12402480, 13229312, 16536640, 19843968, 24804960, 33073280, 39687936, 49609920, 66146560, 99219840, 198439680]

約数ペア:

[(1, 198439680), (2, 99219840), (3, 66146560), (4, 49609920), (5, 39687936), (6, 33073280), (8, 24804960), (10, 19843968), (12, 16536640), (15, 13229312), (16, 12402480), (20, 9921984), (24, 8268320), (30, 6614656), (31, 6401280), (32, 6201240), (40, 4960992), (48, 4134160), (60, 3307328), (62, 3200640), (64, 3100620), (80, 2480496), (93, 2133760), (96, 2067080), (120, 1653664), (124, 1600320), (128, 1550310), (155, 1280256), (160, 1240248), (186, 1066880), (192, 1033540), (240, 826832), (248, 800160), (256, 775155), (310, 640128), (320, 620124), (372, 533440), (384, 516770), (465, 426752), (480, 413416), (496, 400080), (620, 320064), (640, 310062), (744, 266720), (768, 258385), (930, 213376), (960, 206708), (992, 200040), (1240, 160032), (1280, 155031), (1488, 133360), (1667, 119040), (1860, 106688), (1920, 103354), (1984, 100020), (2480, 80016), (2976, 66680), (3334, 59520), (3720, 53344), (3840, 51677), (3968, 50010), (4960, 40008), (5001, 39680), (5952, 33340), (6668, 29760), (7440, 26672), (7936, 25005), (8335, 23808), (9920, 20004), (10002, 19840), (11904, 16670), (13336, 14880)]