1221995520

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1207

約数の個数: 264

約数和(自身を含む): 4422109536

約数和(自身を除く): 3200114016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 828, 920, 960, 1024, 1035, 1104, 1152, 1153, 1280, 1380, 1440, 1472, 1536, 1656, 1840, 1920, 2070, 2208, 2304, 2306, 2560, 2760, 2880, 2944, 3072, 3312, 3459, 3680, 3840, 4140, 4416, 4608, 4612, 5120, 5520, 5760, 5765, 5888, 6624, 6918, 7360, 7680, 8280, 8832, 9216, 9224, 10377, 11040, 11520, 11530, 11776, 13248, 13836, 14720, 15360, 16560, 17295, 17664, 18448, 20754, 22080, 23040, 23060, 23552, 26496, 26519, 27672, 29440, 33120, 34590, 35328, 36896, 41508, 44160, 46080, 46120, 51885, 52992, 53038, 55344, 58880, 66240, 69180, 70656, 73792, 79557, 83016, 88320, 92240, 103770, 105984, 106076, 110688, 117760, 132480, 132595, 138360, 147584, 159114, 166032, 176640, 184480, 207540, 211968, 212152, 221376, 238671, 264960, 265190, 276720, 295168, 318228, 332064, 353280, 368960, 397785, 415080, 424304, 442752, 477342, 529920, 530380, 553440, 590336, 636456, 664128, 737920, 795570, 830160, 848608, 885504, 954684, 1059840, 1060760, 1106880, 1180672, 1193355, 1272912, 1328256, 1475840, 1591140, 1660320, 1697216, 1771008, 1909368, 2121520, 2213760, 2386710, 2545824, 2656512, 2951680, 3182280, 3320640, 3394432, 3542016, 3818736, 4243040, 4427520, 4773420, 5091648, 5313024, 5903360, 6364560, 6641280, 6788864, 7637472, 8486080, 8855040, 9546840, 10183296, 10626048, 12729120, 13282560, 13577728, 15274944, 16972160, 17710080, 19093680, 20366592, 25458240, 26565120, 27155456, 30549888, 33944320, 38187360, 40733184, 50916480, 53130240, 61099776, 67888640, 76374720, 81466368, 101832960, 122199552, 135777280, 152749440, 203665920, 244399104, 305498880, 407331840, 610997760, 1221995520]

約数ペア:

[(1, 1221995520), (2, 610997760), (3, 407331840), (4, 305498880), (5, 244399104), (6, 203665920), (8, 152749440), (9, 135777280), (10, 122199552), (12, 101832960), (15, 81466368), (16, 76374720), (18, 67888640), (20, 61099776), (23, 53130240), (24, 50916480), (30, 40733184), (32, 38187360), (36, 33944320), (40, 30549888), (45, 27155456), (46, 26565120), (48, 25458240), (60, 20366592), (64, 19093680), (69, 17710080), (72, 16972160), (80, 15274944), (90, 13577728), (92, 13282560), (96, 12729120), (115, 10626048), (120, 10183296), (128, 9546840), (138, 8855040), (144, 8486080), (160, 7637472), (180, 6788864), (184, 6641280), (192, 6364560), (207, 5903360), (230, 5313024), (240, 5091648), (256, 4773420), (276, 4427520), (288, 4243040), (320, 3818736), (345, 3542016), (360, 3394432), (368, 3320640), (384, 3182280), (414, 2951680), (460, 2656512), (480, 2545824), (512, 2386710), (552, 2213760), (576, 2121520), (640, 1909368), (690, 1771008), (720, 1697216), (736, 1660320), (768, 1591140), (828, 1475840), (920, 1328256), (960, 1272912), (1024, 1193355), (1035, 1180672), (1104, 1106880), (1152, 1060760), (1153, 1059840), (1280, 954684), (1380, 885504), (1440, 848608), (1472, 830160), (1536, 795570), (1656, 737920), (1840, 664128), (1920, 636456), (2070, 590336), (2208, 553440), (2304, 530380), (2306, 529920), (2560, 477342), (2760, 442752), (2880, 424304), (2944, 415080), (3072, 397785), (3312, 368960), (3459, 353280), (3680, 332064), (3840, 318228), (4140, 295168), (4416, 276720), (4608, 265190), (4612, 264960), (5120, 238671), (5520, 221376), (5760, 212152), (5765, 211968), (5888, 207540), (6624, 184480), (6918, 176640), (7360, 166032), (7680, 159114), (8280, 147584), (8832, 138360), (9216, 132595), (9224, 132480), (10377, 117760), (11040, 110688), (11520, 106076), (11530, 105984), (11776, 103770), (13248, 92240), (13836, 88320), (14720, 83016), (15360, 79557), (16560, 73792), (17295, 70656), (17664, 69180), (18448, 66240), (20754, 58880), (22080, 55344), (23040, 53038), (23060, 52992), (23552, 51885), (26496, 46120), (26519, 46080), (27672, 44160), (29440, 41508), (33120, 36896), (34590, 35328)]