20789686680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1831}}^1\times {\mathrm{1931}}^1$

素因数の和:3790

約数の個数: 192

約数和(自身を含む): 72628980480

約数和(自身を除く): 51839293800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1831, 1931, 1960, 2940, 3662, 3862, 5493, 5793, 5880, 7324, 7724, 9155, 9655, 10986, 11586, 12817, 13517, 14648, 15448, 18310, 19310, 21972, 23172, 25634, 27034, 27465, 28965, 36620, 38451, 38620, 40551, 43944, 46344, 51268, 54068, 54930, 57930, 64085, 67585, 73240, 76902, 77240, 81102, 89719, 94619, 102536, 108136, 109860, 115860, 128170, 135170, 153804, 162204, 179438, 189238, 192255, 202755, 219720, 231720, 256340, 269157, 270340, 283857, 307608, 324408, 358876, 378476, 384510, 405510, 448595, 473095, 512680, 538314, 540680, 567714, 717752, 756952, 769020, 811020, 897190, 946190, 1076628, 1135428, 1345785, 1419285, 1538040, 1622040, 1794380, 1892380, 2153256, 2270856, 2691570, 2838570, 3535661, 3588760, 3784760, 5383140, 5677140, 7071322, 10606983, 10766280, 11354280, 14142644, 17678305, 21213966, 24749627, 28285288, 35356610, 42427932, 49499254, 53034915, 70713220, 74248881, 84855864, 98998508, 106069830, 123748135, 141426440, 148497762, 173247389, 197997016, 212139660, 247496270, 296995524, 346494778, 371244405, 424279320, 494992540, 519742167, 593991048, 692989556, 742488810, 866236945, 989985080, 1039484334, 1385979112, 1484977620, 1732473890, 2078968668, 2598710835, 2969955240, 3464947780, 4157937336, 5197421670, 6929895560, 10394843340, 20789686680]

約数ペア:

[(1, 20789686680), (2, 10394843340), (3, 6929895560), (4, 5197421670), (5, 4157937336), (6, 3464947780), (7, 2969955240), (8, 2598710835), (10, 2078968668), (12, 1732473890), (14, 1484977620), (15, 1385979112), (20, 1039484334), (21, 989985080), (24, 866236945), (28, 742488810), (30, 692989556), (35, 593991048), (40, 519742167), (42, 494992540), (49, 424279320), (56, 371244405), (60, 346494778), (70, 296995524), (84, 247496270), (98, 212139660), (105, 197997016), (120, 173247389), (140, 148497762), (147, 141426440), (168, 123748135), (196, 106069830), (210, 98998508), (245, 84855864), (280, 74248881), (294, 70713220), (392, 53034915), (420, 49499254), (490, 42427932), (588, 35356610), (735, 28285288), (840, 24749627), (980, 21213966), (1176, 17678305), (1470, 14142644), (1831, 11354280), (1931, 10766280), (1960, 10606983), (2940, 7071322), (3662, 5677140), (3862, 5383140), (5493, 3784760), (5793, 3588760), (5880, 3535661), (7324, 2838570), (7724, 2691570), (9155, 2270856), (9655, 2153256), (10986, 1892380), (11586, 1794380), (12817, 1622040), (13517, 1538040), (14648, 1419285), (15448, 1345785), (18310, 1135428), (19310, 1076628), (21972, 946190), (23172, 897190), (25634, 811020), (27034, 769020), (27465, 756952), (28965, 717752), (36620, 567714), (38451, 540680), (38620, 538314), (40551, 512680), (43944, 473095), (46344, 448595), (51268, 405510), (54068, 384510), (54930, 378476), (57930, 358876), (64085, 324408), (67585, 307608), (73240, 283857), (76902, 270340), (77240, 269157), (81102, 256340), (89719, 231720), (94619, 219720), (102536, 202755), (108136, 192255), (109860, 189238), (115860, 179438), (128170, 162204), (135170, 153804)]