251326320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:943

約数の個数: 160

約数和(自身を含む): 895895040

約数和(自身を除く): 644568720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 211, 240, 280, 336, 420, 422, 560, 633, 709, 840, 844, 1055, 1266, 1418, 1477, 1680, 1688, 2110, 2127, 2532, 2836, 2954, 3165, 3376, 3545, 4220, 4254, 4431, 4963, 5064, 5672, 5908, 6330, 7090, 7385, 8440, 8508, 8862, 9926, 10128, 10635, 11344, 11816, 12660, 14180, 14770, 14889, 16880, 17016, 17724, 19852, 21270, 22155, 23632, 24815, 25320, 28360, 29540, 29778, 34032, 35448, 39704, 42540, 44310, 49630, 50640, 56720, 59080, 59556, 70896, 74445, 79408, 85080, 88620, 99260, 118160, 119112, 148890, 149599, 170160, 177240, 198520, 238224, 297780, 299198, 354480, 397040, 448797, 595560, 598396, 747995, 897594, 1047193, 1191120, 1196792, 1495990, 1795188, 2094386, 2243985, 2393584, 2991980, 3141579, 3590376, 4188772, 4487970, 5235965, 5983960, 6283158, 7180752, 8377544, 8975940, 10471930, 11967920, 12566316, 15707895, 16755088, 17951880, 20943860, 25132632, 31415790, 35903760, 41887720, 50265264, 62831580, 83775440, 125663160, 251326320]

約数ペア:

[(1, 251326320), (2, 125663160), (3, 83775440), (4, 62831580), (5, 50265264), (6, 41887720), (7, 35903760), (8, 31415790), (10, 25132632), (12, 20943860), (14, 17951880), (15, 16755088), (16, 15707895), (20, 12566316), (21, 11967920), (24, 10471930), (28, 8975940), (30, 8377544), (35, 7180752), (40, 6283158), (42, 5983960), (48, 5235965), (56, 4487970), (60, 4188772), (70, 3590376), (80, 3141579), (84, 2991980), (105, 2393584), (112, 2243985), (120, 2094386), (140, 1795188), (168, 1495990), (210, 1196792), (211, 1191120), (240, 1047193), (280, 897594), (336, 747995), (420, 598396), (422, 595560), (560, 448797), (633, 397040), (709, 354480), (840, 299198), (844, 297780), (1055, 238224), (1266, 198520), (1418, 177240), (1477, 170160), (1680, 149599), (1688, 148890), (2110, 119112), (2127, 118160), (2532, 99260), (2836, 88620), (2954, 85080), (3165, 79408), (3376, 74445), (3545, 70896), (4220, 59556), (4254, 59080), (4431, 56720), (4963, 50640), (5064, 49630), (5672, 44310), (5908, 42540), (6330, 39704), (7090, 35448), (7385, 34032), (8440, 29778), (8508, 29540), (8862, 28360), (9926, 25320), (10128, 24815), (10635, 23632), (11344, 22155), (11816, 21270), (12660, 19852), (14180, 17724), (14770, 17016), (14889, 16880)]