238491520

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 594864000

約数和(自身を除く): 356372480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 79, 80, 89, 106, 128, 158, 160, 178, 212, 265, 316, 320, 356, 395, 424, 445, 530, 632, 640, 712, 790, 848, 890, 1060, 1264, 1424, 1580, 1696, 1780, 2120, 2528, 2848, 3160, 3392, 3560, 4187, 4240, 4717, 5056, 5696, 6320, 6784, 7031, 7120, 8374, 8480, 9434, 10112, 11392, 12640, 14062, 14240, 16748, 16960, 18868, 20935, 23585, 25280, 28124, 28480, 33496, 33920, 35155, 37736, 41870, 47170, 50560, 56248, 56960, 66992, 70310, 75472, 83740, 94340, 112496, 133984, 140620, 150944, 167480, 188680, 224992, 267968, 281240, 301888, 334960, 372643, 377360, 449984, 535936, 562480, 603776, 669920, 745286, 754720, 899968, 1124960, 1339840, 1490572, 1509440, 1863215, 2249920, 2679680, 2981144, 3018880, 3726430, 4499840, 5962288, 7452860, 11924576, 14905720, 23849152, 29811440, 47698304, 59622880, 119245760, 238491520]

約数ペア:

[(1, 238491520), (2, 119245760), (4, 59622880), (5, 47698304), (8, 29811440), (10, 23849152), (16, 14905720), (20, 11924576), (32, 7452860), (40, 5962288), (53, 4499840), (64, 3726430), (79, 3018880), (80, 2981144), (89, 2679680), (106, 2249920), (128, 1863215), (158, 1509440), (160, 1490572), (178, 1339840), (212, 1124960), (265, 899968), (316, 754720), (320, 745286), (356, 669920), (395, 603776), (424, 562480), (445, 535936), (530, 449984), (632, 377360), (640, 372643), (712, 334960), (790, 301888), (848, 281240), (890, 267968), (1060, 224992), (1264, 188680), (1424, 167480), (1580, 150944), (1696, 140620), (1780, 133984), (2120, 112496), (2528, 94340), (2848, 83740), (3160, 75472), (3392, 70310), (3560, 66992), (4187, 56960), (4240, 56248), (4717, 50560), (5056, 47170), (5696, 41870), (6320, 37736), (6784, 35155), (7031, 33920), (7120, 33496), (8374, 28480), (8480, 28124), (9434, 25280), (10112, 23585), (11392, 20935), (12640, 18868), (14062, 16960), (14240, 16748)]