221528640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 224

約数和(自身を含む): 749076480

約数和(自身を除く): 527547840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 79, 80, 92, 96, 115, 120, 127, 138, 158, 160, 184, 192, 230, 237, 240, 254, 276, 316, 320, 345, 368, 381, 395, 460, 474, 480, 508, 552, 632, 635, 690, 736, 762, 790, 920, 948, 960, 1016, 1104, 1185, 1264, 1270, 1380, 1472, 1524, 1580, 1817, 1840, 1896, 1905, 2032, 2208, 2370, 2528, 2540, 2760, 2921, 3048, 3160, 3634, 3680, 3792, 3810, 4064, 4416, 4740, 5056, 5080, 5451, 5520, 5842, 6096, 6320, 7268, 7360, 7584, 7620, 8128, 8763, 9085, 9480, 10033, 10160, 10902, 11040, 11684, 12192, 12640, 14536, 14605, 15168, 15240, 17526, 18170, 18960, 20066, 20320, 21804, 22080, 23368, 24384, 25280, 27255, 29072, 29210, 30099, 30480, 35052, 36340, 37920, 40132, 40640, 43608, 43815, 46736, 50165, 54510, 58144, 58420, 60198, 60960, 70104, 72680, 75840, 80264, 87216, 87630, 93472, 100330, 109020, 116288, 116840, 120396, 121920, 140208, 145360, 150495, 160528, 174432, 175260, 186944, 200660, 218040, 230759, 233680, 240792, 280416, 290720, 300990, 321056, 348864, 350520, 401320, 436080, 461518, 467360, 481584, 560832, 581440, 601980, 642112, 692277, 701040, 802640, 872160, 923036, 934720, 963168, 1153795, 1203960, 1384554, 1402080, 1605280, 1744320, 1846072, 1926336, 2307590, 2407920, 2769108, 2804160, 3210560, 3461385, 3692144, 4615180, 4815840, 5538216, 6922770, 7384288, 9230360, 9631680, 11076432, 13845540, 14768576, 18460720, 22152864, 27691080, 36921440, 44305728, 55382160, 73842880, 110764320, 221528640]

約数ペア:

[(1, 221528640), (2, 110764320), (3, 73842880), (4, 55382160), (5, 44305728), (6, 36921440), (8, 27691080), (10, 22152864), (12, 18460720), (15, 14768576), (16, 13845540), (20, 11076432), (23, 9631680), (24, 9230360), (30, 7384288), (32, 6922770), (40, 5538216), (46, 4815840), (48, 4615180), (60, 3692144), (64, 3461385), (69, 3210560), (79, 2804160), (80, 2769108), (92, 2407920), (96, 2307590), (115, 1926336), (120, 1846072), (127, 1744320), (138, 1605280), (158, 1402080), (160, 1384554), (184, 1203960), (192, 1153795), (230, 963168), (237, 934720), (240, 923036), (254, 872160), (276, 802640), (316, 701040), (320, 692277), (345, 642112), (368, 601980), (381, 581440), (395, 560832), (460, 481584), (474, 467360), (480, 461518), (508, 436080), (552, 401320), (632, 350520), (635, 348864), (690, 321056), (736, 300990), (762, 290720), (790, 280416), (920, 240792), (948, 233680), (960, 230759), (1016, 218040), (1104, 200660), (1185, 186944), (1264, 175260), (1270, 174432), (1380, 160528), (1472, 150495), (1524, 145360), (1580, 140208), (1817, 121920), (1840, 120396), (1896, 116840), (1905, 116288), (2032, 109020), (2208, 100330), (2370, 93472), (2528, 87630), (2540, 87216), (2760, 80264), (2921, 75840), (3048, 72680), (3160, 70104), (3634, 60960), (3680, 60198), (3792, 58420), (3810, 58144), (4064, 54510), (4416, 50165), (4740, 46736), (5056, 43815), (5080, 43608), (5451, 40640), (5520, 40132), (5842, 37920), (6096, 36340), (6320, 35052), (7268, 30480), (7360, 30099), (7584, 29210), (7620, 29072), (8128, 27255), (8763, 25280), (9085, 24384), (9480, 23368), (10033, 22080), (10160, 21804), (10902, 20320), (11040, 20066), (11684, 18960), (12192, 18170), (12640, 17526), (14536, 15240), (14605, 15168)]