248158720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 388229120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 59, 62, 64, 80, 106, 118, 124, 128, 155, 160, 212, 236, 248, 256, 265, 295, 310, 320, 424, 472, 496, 512, 530, 590, 620, 640, 848, 944, 992, 1060, 1180, 1240, 1280, 1643, 1696, 1829, 1888, 1984, 2120, 2360, 2480, 2560, 3127, 3286, 3392, 3658, 3776, 3968, 4240, 4720, 4960, 6254, 6572, 6784, 7316, 7552, 7936, 8215, 8480, 9145, 9440, 9920, 12508, 13144, 13568, 14632, 15104, 15635, 15872, 16430, 16960, 18290, 18880, 19840, 25016, 26288, 27136, 29264, 30208, 31270, 32860, 33920, 36580, 37760, 39680, 50032, 52576, 58528, 62540, 65720, 67840, 73160, 75520, 79360, 96937, 100064, 105152, 117056, 125080, 131440, 135680, 146320, 151040, 193874, 200128, 210304, 234112, 250160, 262880, 292640, 387748, 400256, 420608, 468224, 484685, 500320, 525760, 585280, 775496, 800512, 841216, 936448, 969370, 1000640, 1051520, 1170560, 1550992, 1601024, 1938740, 2001280, 2103040, 2341120, 3101984, 3877480, 4002560, 4206080, 4682240, 6203968, 7754960, 8005120, 12407936, 15509920, 24815872, 31019840, 49631744, 62039680, 124079360, 248158720]

約数ペア:

[(1, 248158720), (2, 124079360), (4, 62039680), (5, 49631744), (8, 31019840), (10, 24815872), (16, 15509920), (20, 12407936), (31, 8005120), (32, 7754960), (40, 6203968), (53, 4682240), (59, 4206080), (62, 4002560), (64, 3877480), (80, 3101984), (106, 2341120), (118, 2103040), (124, 2001280), (128, 1938740), (155, 1601024), (160, 1550992), (212, 1170560), (236, 1051520), (248, 1000640), (256, 969370), (265, 936448), (295, 841216), (310, 800512), (320, 775496), (424, 585280), (472, 525760), (496, 500320), (512, 484685), (530, 468224), (590, 420608), (620, 400256), (640, 387748), (848, 292640), (944, 262880), (992, 250160), (1060, 234112), (1180, 210304), (1240, 200128), (1280, 193874), (1643, 151040), (1696, 146320), (1829, 135680), (1888, 131440), (1984, 125080), (2120, 117056), (2360, 105152), (2480, 100064), (2560, 96937), (3127, 79360), (3286, 75520), (3392, 73160), (3658, 67840), (3776, 65720), (3968, 62540), (4240, 58528), (4720, 52576), (4960, 50032), (6254, 39680), (6572, 37760), (6784, 36580), (7316, 33920), (7552, 32860), (7936, 31270), (8215, 30208), (8480, 29264), (9145, 27136), (9440, 26288), (9920, 25016), (12508, 19840), (13144, 18880), (13568, 18290), (14632, 16960), (15104, 16430), (15635, 15872)]