387316480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 984259584

約数和(自身を除く): 596943104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 227, 248, 256, 310, 320, 344, 430, 454, 496, 620, 640, 688, 860, 908, 992, 1135, 1240, 1280, 1333, 1376, 1720, 1816, 1984, 2270, 2480, 2666, 2752, 3440, 3632, 3968, 4540, 4960, 5332, 5504, 6665, 6880, 7037, 7264, 7936, 9080, 9761, 9920, 10664, 11008, 13330, 13760, 14074, 14528, 18160, 19522, 19840, 21328, 26660, 27520, 28148, 29056, 35185, 36320, 39044, 39680, 42656, 48805, 53320, 55040, 56296, 58112, 70370, 72640, 78088, 85312, 97610, 106640, 112592, 140740, 145280, 156176, 170624, 195220, 213280, 225184, 281480, 290560, 302591, 312352, 341248, 390440, 426560, 450368, 562960, 605182, 624704, 780880, 853120, 900736, 1125920, 1210364, 1249408, 1512955, 1561760, 1706240, 1801472, 2251840, 2420728, 2498816, 3025910, 3123520, 4503680, 4841456, 6051820, 6247040, 9007360, 9682912, 12103640, 12494080, 19365824, 24207280, 38731648, 48414560, 77463296, 96829120, 193658240, 387316480]

約数ペア:

[(1, 387316480), (2, 193658240), (4, 96829120), (5, 77463296), (8, 48414560), (10, 38731648), (16, 24207280), (20, 19365824), (31, 12494080), (32, 12103640), (40, 9682912), (43, 9007360), (62, 6247040), (64, 6051820), (80, 4841456), (86, 4503680), (124, 3123520), (128, 3025910), (155, 2498816), (160, 2420728), (172, 2251840), (215, 1801472), (227, 1706240), (248, 1561760), (256, 1512955), (310, 1249408), (320, 1210364), (344, 1125920), (430, 900736), (454, 853120), (496, 780880), (620, 624704), (640, 605182), (688, 562960), (860, 450368), (908, 426560), (992, 390440), (1135, 341248), (1240, 312352), (1280, 302591), (1333, 290560), (1376, 281480), (1720, 225184), (1816, 213280), (1984, 195220), (2270, 170624), (2480, 156176), (2666, 145280), (2752, 140740), (3440, 112592), (3632, 106640), (3968, 97610), (4540, 85312), (4960, 78088), (5332, 72640), (5504, 70370), (6665, 58112), (6880, 56296), (7037, 55040), (7264, 53320), (7936, 48805), (9080, 42656), (9761, 39680), (9920, 39044), (10664, 36320), (11008, 35185), (13330, 29056), (13760, 28148), (14074, 27520), (14528, 26660), (18160, 21328), (19522, 19840)]