1978457040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4969}}^1$

素因数の和:5074

約数の個数: 240

約数和(自身を含む): 7691174400

約数和(自身を除く): 5712717360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1580, 1659, 1680, 1896, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 3792, 4424, 4740, 4969, 4977, 5040, 5530, 5688, 6320, 6636, 7110, 8295, 8848, 9480, 9938, 9954, 11060, 11376, 13272, 14220, 14907, 16590, 18960, 19876, 19908, 22120, 24845, 24885, 26544, 28440, 29814, 33180, 34783, 39752, 39816, 44240, 44721, 49690, 49770, 56880, 59628, 66360, 69566, 74535, 79504, 79632, 89442, 99380, 99540, 104349, 119256, 132720, 139132, 149070, 173915, 178884, 198760, 199080, 208698, 223605, 238512, 278264, 298140, 313047, 347830, 357768, 392551, 397520, 398160, 417396, 447210, 521745, 556528, 596280, 626094, 695660, 715536, 785102, 834792, 894420, 1043490, 1177653, 1192560, 1252188, 1391320, 1565235, 1570204, 1669584, 1788840, 1962755, 2086980, 2355306, 2504376, 2747857, 2782640, 3130470, 3140408, 3532959, 3577680, 3925510, 4173960, 4710612, 5008752, 5495714, 5888265, 6260940, 6280816, 7065918, 7851020, 8243571, 8347920, 9421224, 10991428, 11776530, 12521880, 13739285, 14131836, 15702040, 16487142, 17664795, 18842448, 21982856, 23553060, 24730713, 25043760, 27478570, 28263672, 31404080, 32974284, 35329590, 41217855, 43965712, 47106120, 49461426, 54957140, 56527344, 65948568, 70659180, 82435710, 94212240, 98922852, 109914280, 123653565, 131897136, 141318360, 164871420, 197845704, 219828560, 247307130, 282636720, 329742840, 395691408, 494614260, 659485680, 989228520, 1978457040]

約数ペア:

[(1, 1978457040), (2, 989228520), (3, 659485680), (4, 494614260), (5, 395691408), (6, 329742840), (7, 282636720), (8, 247307130), (9, 219828560), (10, 197845704), (12, 164871420), (14, 141318360), (15, 131897136), (16, 123653565), (18, 109914280), (20, 98922852), (21, 94212240), (24, 82435710), (28, 70659180), (30, 65948568), (35, 56527344), (36, 54957140), (40, 49461426), (42, 47106120), (45, 43965712), (48, 41217855), (56, 35329590), (60, 32974284), (63, 31404080), (70, 28263672), (72, 27478570), (79, 25043760), (80, 24730713), (84, 23553060), (90, 21982856), (105, 18842448), (112, 17664795), (120, 16487142), (126, 15702040), (140, 14131836), (144, 13739285), (158, 12521880), (168, 11776530), (180, 10991428), (210, 9421224), (237, 8347920), (240, 8243571), (252, 7851020), (280, 7065918), (315, 6280816), (316, 6260940), (336, 5888265), (360, 5495714), (395, 5008752), (420, 4710612), (474, 4173960), (504, 3925510), (553, 3577680), (560, 3532959), (630, 3140408), (632, 3130470), (711, 2782640), (720, 2747857), (790, 2504376), (840, 2355306), (948, 2086980), (1008, 1962755), (1106, 1788840), (1185, 1669584), (1260, 1570204), (1264, 1565235), (1422, 1391320), (1580, 1252188), (1659, 1192560), (1680, 1177653), (1896, 1043490), (2212, 894420), (2370, 834792), (2520, 785102), (2765, 715536), (2844, 695660), (3160, 626094), (3318, 596280), (3555, 556528), (3792, 521745), (4424, 447210), (4740, 417396), (4969, 398160), (4977, 397520), (5040, 392551), (5530, 357768), (5688, 347830), (6320, 313047), (6636, 298140), (7110, 278264), (8295, 238512), (8848, 223605), (9480, 208698), (9938, 199080), (9954, 198760), (11060, 178884), (11376, 173915), (13272, 149070), (14220, 139132), (14907, 132720), (16590, 119256), (18960, 104349), (19876, 99540), (19908, 99380), (22120, 89442), (24845, 79632), (24885, 79504), (26544, 74535), (28440, 69566), (29814, 66360), (33180, 59628), (34783, 56880), (39752, 49770), (39816, 49690), (44240, 44721)]