1971489240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3301}}^1$

素因数の和:3407

約数の個数: 256

約数和(自身を含む): 7607808000

約数和(自身を除く): 5636318760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 105, 108, 120, 126, 135, 140, 158, 168, 180, 189, 210, 216, 237, 252, 270, 280, 315, 316, 360, 378, 395, 420, 474, 504, 540, 553, 630, 632, 711, 756, 790, 840, 945, 948, 1080, 1106, 1185, 1260, 1422, 1512, 1580, 1659, 1890, 1896, 2133, 2212, 2370, 2520, 2765, 2844, 3160, 3301, 3318, 3555, 3780, 4266, 4424, 4740, 4977, 5530, 5688, 6602, 6636, 7110, 7560, 8295, 8532, 9480, 9903, 9954, 10665, 11060, 13204, 13272, 14220, 14931, 16505, 16590, 17064, 19806, 19908, 21330, 22120, 23107, 24885, 26408, 28440, 29709, 29862, 33010, 33180, 39612, 39816, 42660, 46214, 49515, 49770, 59418, 59724, 66020, 66360, 69321, 74655, 79224, 85320, 89127, 92428, 99030, 99540, 115535, 118836, 119448, 132040, 138642, 148545, 149310, 178254, 184856, 198060, 199080, 207963, 231070, 237672, 260779, 277284, 297090, 298620, 346605, 356508, 396120, 415926, 445635, 462140, 521558, 554568, 594180, 597240, 623889, 693210, 713016, 782337, 831852, 891270, 924280, 1039815, 1043116, 1188360, 1247778, 1303895, 1386420, 1564674, 1663704, 1782540, 1825453, 2079630, 2086232, 2347011, 2495556, 2607790, 2772840, 3119445, 3129348, 3565080, 3650906, 3911685, 4159260, 4694022, 4991112, 5215580, 5476359, 6238890, 6258696, 7041033, 7301812, 7823370, 8318520, 9127265, 9388044, 10431160, 10952718, 11735055, 12477780, 14082066, 14603624, 15646740, 16429077, 18254530, 18776088, 21905436, 23470110, 24955560, 27381795, 28164132, 31293480, 32858154, 35205165, 36509060, 43810872, 46940220, 49287231, 54763590, 56328264, 65716308, 70410330, 73018120, 82145385, 93880440, 98574462, 109527180, 131432616, 140820660, 164290770, 197148924, 219054360, 246436155, 281641320, 328581540, 394297848, 492872310, 657163080, 985744620, 1971489240]

約数ペア:

[(1, 1971489240), (2, 985744620), (3, 657163080), (4, 492872310), (5, 394297848), (6, 328581540), (7, 281641320), (8, 246436155), (9, 219054360), (10, 197148924), (12, 164290770), (14, 140820660), (15, 131432616), (18, 109527180), (20, 98574462), (21, 93880440), (24, 82145385), (27, 73018120), (28, 70410330), (30, 65716308), (35, 56328264), (36, 54763590), (40, 49287231), (42, 46940220), (45, 43810872), (54, 36509060), (56, 35205165), (60, 32858154), (63, 31293480), (70, 28164132), (72, 27381795), (79, 24955560), (84, 23470110), (90, 21905436), (105, 18776088), (108, 18254530), (120, 16429077), (126, 15646740), (135, 14603624), (140, 14082066), (158, 12477780), (168, 11735055), (180, 10952718), (189, 10431160), (210, 9388044), (216, 9127265), (237, 8318520), (252, 7823370), (270, 7301812), (280, 7041033), (315, 6258696), (316, 6238890), (360, 5476359), (378, 5215580), (395, 4991112), (420, 4694022), (474, 4159260), (504, 3911685), (540, 3650906), (553, 3565080), (630, 3129348), (632, 3119445), (711, 2772840), (756, 2607790), (790, 2495556), (840, 2347011), (945, 2086232), (948, 2079630), (1080, 1825453), (1106, 1782540), (1185, 1663704), (1260, 1564674), (1422, 1386420), (1512, 1303895), (1580, 1247778), (1659, 1188360), (1890, 1043116), (1896, 1039815), (2133, 924280), (2212, 891270), (2370, 831852), (2520, 782337), (2765, 713016), (2844, 693210), (3160, 623889), (3301, 597240), (3318, 594180), (3555, 554568), (3780, 521558), (4266, 462140), (4424, 445635), (4740, 415926), (4977, 396120), (5530, 356508), (5688, 346605), (6602, 298620), (6636, 297090), (7110, 277284), (7560, 260779), (8295, 237672), (8532, 231070), (9480, 207963), (9903, 199080), (9954, 198060), (10665, 184856), (11060, 178254), (13204, 149310), (13272, 148545), (14220, 138642), (14931, 132040), (16505, 119448), (16590, 118836), (17064, 115535), (19806, 99540), (19908, 99030), (21330, 92428), (22120, 89127), (23107, 85320), (24885, 79224), (26408, 74655), (28440, 69321), (29709, 66360), (29862, 66020), (33010, 59724), (33180, 59418), (39612, 49770), (39816, 49515), (42660, 46214)]