681665040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:878

約数の個数: 240

約数和(自身を含む): 2632795776

約数和(自身を除く): 1951130736

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, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 211, 240, 252, 280, 315, 336, 360, 420, 422, 504, 560, 630, 633, 641, 720, 840, 844, 1008, 1055, 1260, 1266, 1282, 1477, 1680, 1688, 1899, 1923, 2110, 2520, 2532, 2564, 2954, 3165, 3205, 3376, 3798, 3846, 4220, 4431, 4487, 5040, 5064, 5128, 5769, 5908, 6330, 6410, 7385, 7596, 7692, 8440, 8862, 8974, 9495, 9615, 10128, 10256, 11538, 11816, 12660, 12820, 13293, 13461, 14770, 15192, 15384, 16880, 17724, 17948, 18990, 19230, 22155, 22435, 23076, 23632, 25320, 25640, 26586, 26922, 28845, 29540, 30384, 30768, 35448, 35896, 37980, 38460, 40383, 44310, 44870, 46152, 50640, 51280, 53172, 53844, 57690, 59080, 66465, 67305, 70896, 71792, 75960, 76920, 80766, 88620, 89740, 92304, 106344, 107688, 115380, 118160, 132930, 134610, 135251, 151920, 153840, 161532, 177240, 179480, 201915, 212688, 215376, 230760, 265860, 269220, 270502, 323064, 354480, 358960, 403830, 405753, 461520, 531720, 538440, 541004, 646128, 676255, 807660, 811506, 946757, 1063440, 1076880, 1082008, 1217259, 1352510, 1615320, 1623012, 1893514, 2028765, 2164016, 2434518, 2705020, 2840271, 3230640, 3246024, 3787028, 4057530, 4733785, 4869036, 5410040, 5680542, 6086295, 6492048, 7574056, 8115060, 8520813, 9467570, 9738072, 10820080, 11361084, 12172590, 14201355, 15148112, 16230120, 17041626, 18935140, 19476144, 22722168, 24345180, 28402710, 32460240, 34083252, 37870280, 42604065, 45444336, 48690360, 56805420, 68166504, 75740560, 85208130, 97380720, 113610840, 136333008, 170416260, 227221680, 340832520, 681665040]

約数ペア:

[(1, 681665040), (2, 340832520), (3, 227221680), (4, 170416260), (5, 136333008), (6, 113610840), (7, 97380720), (8, 85208130), (9, 75740560), (10, 68166504), (12, 56805420), (14, 48690360), (15, 45444336), (16, 42604065), (18, 37870280), (20, 34083252), (21, 32460240), (24, 28402710), (28, 24345180), (30, 22722168), (35, 19476144), (36, 18935140), (40, 17041626), (42, 16230120), (45, 15148112), (48, 14201355), (56, 12172590), (60, 11361084), (63, 10820080), (70, 9738072), (72, 9467570), (80, 8520813), (84, 8115060), (90, 7574056), (105, 6492048), (112, 6086295), (120, 5680542), (126, 5410040), (140, 4869036), (144, 4733785), (168, 4057530), (180, 3787028), (210, 3246024), (211, 3230640), (240, 2840271), (252, 2705020), (280, 2434518), (315, 2164016), (336, 2028765), (360, 1893514), (420, 1623012), (422, 1615320), (504, 1352510), (560, 1217259), (630, 1082008), (633, 1076880), (641, 1063440), (720, 946757), (840, 811506), (844, 807660), (1008, 676255), (1055, 646128), (1260, 541004), (1266, 538440), (1282, 531720), (1477, 461520), (1680, 405753), (1688, 403830), (1899, 358960), (1923, 354480), (2110, 323064), (2520, 270502), (2532, 269220), (2564, 265860), (2954, 230760), (3165, 215376), (3205, 212688), (3376, 201915), (3798, 179480), (3846, 177240), (4220, 161532), (4431, 153840), (4487, 151920), (5040, 135251), (5064, 134610), (5128, 132930), (5769, 118160), (5908, 115380), (6330, 107688), (6410, 106344), (7385, 92304), (7596, 89740), (7692, 88620), (8440, 80766), (8862, 76920), (8974, 75960), (9495, 71792), (9615, 70896), (10128, 67305), (10256, 66465), (11538, 59080), (11816, 57690), (12660, 53844), (12820, 53172), (13293, 51280), (13461, 50640), (14770, 46152), (15192, 44870), (15384, 44310), (16880, 40383), (17724, 38460), (17948, 37980), (18990, 35896), (19230, 35448), (22155, 30768), (22435, 30384), (23076, 29540), (23632, 28845), (25320, 26922), (25640, 26586)]