2153572480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 256

約数和(自身を含む): 5816448000

約数和(自身を除く): 3662875520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 32, 38, 40, 58, 62, 64, 76, 80, 95, 116, 124, 128, 145, 152, 155, 160, 190, 197, 232, 248, 290, 304, 310, 320, 380, 394, 464, 496, 551, 580, 589, 608, 620, 640, 760, 788, 899, 928, 985, 992, 1102, 1160, 1178, 1216, 1240, 1520, 1576, 1798, 1856, 1970, 1984, 2204, 2320, 2356, 2432, 2480, 2755, 2945, 3040, 3152, 3596, 3712, 3743, 3940, 3968, 4408, 4495, 4640, 4712, 4960, 5510, 5713, 5890, 6080, 6107, 6304, 7192, 7486, 7880, 8816, 8990, 9280, 9424, 9920, 11020, 11426, 11780, 12160, 12214, 12608, 14384, 14972, 15760, 17081, 17632, 17980, 18560, 18715, 18848, 19840, 22040, 22852, 23560, 24428, 25216, 28565, 28768, 29944, 30535, 31520, 34162, 35264, 35960, 37430, 37696, 44080, 45704, 47120, 48856, 57130, 57536, 59888, 61070, 63040, 68324, 70528, 71920, 74860, 75392, 85405, 88160, 91408, 94240, 97712, 108547, 114260, 115072, 116033, 119776, 122140, 126080, 136648, 143840, 149720, 170810, 176320, 177103, 182816, 188480, 195424, 217094, 228520, 232066, 239552, 244280, 273296, 287680, 299440, 341620, 352640, 354206, 365632, 376960, 390848, 434188, 457040, 464132, 479104, 488560, 542735, 546592, 575360, 580165, 598880, 683240, 708412, 731264, 781696, 868376, 885515, 914080, 928264, 977120, 1085470, 1093184, 1160330, 1197760, 1366480, 1416824, 1736752, 1771030, 1828160, 1856528, 1954240, 2170940, 2186368, 2320660, 2395520, 2732960, 2833648, 3364957, 3473504, 3542060, 3656320, 3713056, 3908480, 4341880, 4641320, 5465920, 5667296, 6729914, 6947008, 7084120, 7426112, 8683760, 9282640, 10931840, 11334592, 13459828, 13894016, 14168240, 14852224, 16824785, 17367520, 18565280, 22669184, 26919656, 28336480, 33649570, 34735040, 37130560, 53839312, 56672960, 67299140, 69470080, 74261120, 107678624, 113345920, 134598280, 215357248, 269196560, 430714496, 538393120, 1076786240, 2153572480]

約数ペア:

[(1, 2153572480), (2, 1076786240), (4, 538393120), (5, 430714496), (8, 269196560), (10, 215357248), (16, 134598280), (19, 113345920), (20, 107678624), (29, 74261120), (31, 69470080), (32, 67299140), (38, 56672960), (40, 53839312), (58, 37130560), (62, 34735040), (64, 33649570), (76, 28336480), (80, 26919656), (95, 22669184), (116, 18565280), (124, 17367520), (128, 16824785), (145, 14852224), (152, 14168240), (155, 13894016), (160, 13459828), (190, 11334592), (197, 10931840), (232, 9282640), (248, 8683760), (290, 7426112), (304, 7084120), (310, 6947008), (320, 6729914), (380, 5667296), (394, 5465920), (464, 4641320), (496, 4341880), (551, 3908480), (580, 3713056), (589, 3656320), (608, 3542060), (620, 3473504), (640, 3364957), (760, 2833648), (788, 2732960), (899, 2395520), (928, 2320660), (985, 2186368), (992, 2170940), (1102, 1954240), (1160, 1856528), (1178, 1828160), (1216, 1771030), (1240, 1736752), (1520, 1416824), (1576, 1366480), (1798, 1197760), (1856, 1160330), (1970, 1093184), (1984, 1085470), (2204, 977120), (2320, 928264), (2356, 914080), (2432, 885515), (2480, 868376), (2755, 781696), (2945, 731264), (3040, 708412), (3152, 683240), (3596, 598880), (3712, 580165), (3743, 575360), (3940, 546592), (3968, 542735), (4408, 488560), (4495, 479104), (4640, 464132), (4712, 457040), (4960, 434188), (5510, 390848), (5713, 376960), (5890, 365632), (6080, 354206), (6107, 352640), (6304, 341620), (7192, 299440), (7486, 287680), (7880, 273296), (8816, 244280), (8990, 239552), (9280, 232066), (9424, 228520), (9920, 217094), (11020, 195424), (11426, 188480), (11780, 182816), (12160, 177103), (12214, 176320), (12608, 170810), (14384, 149720), (14972, 143840), (15760, 136648), (17081, 126080), (17632, 122140), (17980, 119776), (18560, 116033), (18715, 115072), (18848, 114260), (19840, 108547), (22040, 97712), (22852, 94240), (23560, 91408), (24428, 88160), (25216, 85405), (28565, 75392), (28768, 74860), (29944, 71920), (30535, 70528), (31520, 68324), (34162, 63040), (35264, 61070), (35960, 59888), (37430, 57536), (37696, 57130), (44080, 48856), (45704, 47120)]