243952640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 176

約数和(自身を含む): 636698880

約数和(自身を除く): 392746240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 53, 58, 62, 64, 80, 106, 116, 124, 128, 145, 155, 160, 212, 232, 248, 256, 265, 290, 310, 320, 424, 464, 496, 512, 530, 580, 620, 640, 848, 899, 928, 992, 1024, 1060, 1160, 1240, 1280, 1537, 1643, 1696, 1798, 1856, 1984, 2120, 2320, 2480, 2560, 3074, 3286, 3392, 3596, 3712, 3968, 4240, 4495, 4640, 4960, 5120, 6148, 6572, 6784, 7192, 7424, 7685, 7936, 8215, 8480, 8990, 9280, 9920, 12296, 13144, 13568, 14384, 14848, 15370, 15872, 16430, 16960, 17980, 18560, 19840, 24592, 26288, 27136, 28768, 29696, 30740, 31744, 32860, 33920, 35960, 37120, 39680, 47647, 49184, 52576, 54272, 57536, 61480, 65720, 67840, 71920, 74240, 79360, 95294, 98368, 105152, 115072, 122960, 131440, 135680, 143840, 148480, 158720, 190588, 196736, 210304, 230144, 238235, 245920, 262880, 271360, 287680, 381176, 393472, 420608, 460288, 476470, 491840, 525760, 575360, 762352, 786944, 841216, 920576, 952940, 983680, 1051520, 1150720, 1524704, 1573888, 1682432, 1905880, 1967360, 2103040, 2301440, 3049408, 3811760, 3934720, 4206080, 4602880, 6098816, 7623520, 7869440, 8412160, 12197632, 15247040, 24395264, 30494080, 48790528, 60988160, 121976320, 243952640]

約数ペア:

[(1, 243952640), (2, 121976320), (4, 60988160), (5, 48790528), (8, 30494080), (10, 24395264), (16, 15247040), (20, 12197632), (29, 8412160), (31, 7869440), (32, 7623520), (40, 6098816), (53, 4602880), (58, 4206080), (62, 3934720), (64, 3811760), (80, 3049408), (106, 2301440), (116, 2103040), (124, 1967360), (128, 1905880), (145, 1682432), (155, 1573888), (160, 1524704), (212, 1150720), (232, 1051520), (248, 983680), (256, 952940), (265, 920576), (290, 841216), (310, 786944), (320, 762352), (424, 575360), (464, 525760), (496, 491840), (512, 476470), (530, 460288), (580, 420608), (620, 393472), (640, 381176), (848, 287680), (899, 271360), (928, 262880), (992, 245920), (1024, 238235), (1060, 230144), (1160, 210304), (1240, 196736), (1280, 190588), (1537, 158720), (1643, 148480), (1696, 143840), (1798, 135680), (1856, 131440), (1984, 122960), (2120, 115072), (2320, 105152), (2480, 98368), (2560, 95294), (3074, 79360), (3286, 74240), (3392, 71920), (3596, 67840), (3712, 65720), (3968, 61480), (4240, 57536), (4495, 54272), (4640, 52576), (4960, 49184), (5120, 47647), (6148, 39680), (6572, 37120), (6784, 35960), (7192, 33920), (7424, 32860), (7685, 31744), (7936, 30740), (8215, 29696), (8480, 28768), (8990, 27136), (9280, 26288), (9920, 24592), (12296, 19840), (13144, 18560), (13568, 17980), (14384, 16960), (14848, 16430), (15370, 15872)]