57780240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 206939136

約数和(自身を除く): 149158896

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, 163, 168, 210, 211, 240, 280, 326, 336, 420, 422, 489, 560, 633, 652, 815, 840, 844, 978, 1055, 1141, 1266, 1304, 1477, 1630, 1680, 1688, 1956, 2110, 2282, 2445, 2532, 2608, 2954, 3165, 3260, 3376, 3423, 3912, 4220, 4431, 4564, 4890, 5064, 5705, 5908, 6330, 6520, 6846, 7385, 7824, 8440, 8862, 9128, 9780, 10128, 11410, 11816, 12660, 13040, 13692, 14770, 16880, 17115, 17724, 18256, 19560, 22155, 22820, 23632, 25320, 27384, 29540, 34230, 34393, 35448, 39120, 44310, 45640, 50640, 54768, 59080, 68460, 68786, 70896, 88620, 91280, 103179, 118160, 136920, 137572, 171965, 177240, 206358, 240751, 273840, 275144, 343930, 354480, 412716, 481502, 515895, 550288, 687860, 722253, 825432, 963004, 1031790, 1203755, 1375720, 1444506, 1650864, 1926008, 2063580, 2407510, 2751440, 2889012, 3611265, 3852016, 4127160, 4815020, 5778024, 7222530, 8254320, 9630040, 11556048, 14445060, 19260080, 28890120, 57780240]

約数ペア:

[(1, 57780240), (2, 28890120), (3, 19260080), (4, 14445060), (5, 11556048), (6, 9630040), (7, 8254320), (8, 7222530), (10, 5778024), (12, 4815020), (14, 4127160), (15, 3852016), (16, 3611265), (20, 2889012), (21, 2751440), (24, 2407510), (28, 2063580), (30, 1926008), (35, 1650864), (40, 1444506), (42, 1375720), (48, 1203755), (56, 1031790), (60, 963004), (70, 825432), (80, 722253), (84, 687860), (105, 550288), (112, 515895), (120, 481502), (140, 412716), (163, 354480), (168, 343930), (210, 275144), (211, 273840), (240, 240751), (280, 206358), (326, 177240), (336, 171965), (420, 137572), (422, 136920), (489, 118160), (560, 103179), (633, 91280), (652, 88620), (815, 70896), (840, 68786), (844, 68460), (978, 59080), (1055, 54768), (1141, 50640), (1266, 45640), (1304, 44310), (1477, 39120), (1630, 35448), (1680, 34393), (1688, 34230), (1956, 29540), (2110, 27384), (2282, 25320), (2445, 23632), (2532, 22820), (2608, 22155), (2954, 19560), (3165, 18256), (3260, 17724), (3376, 17115), (3423, 16880), (3912, 14770), (4220, 13692), (4431, 13040), (4564, 12660), (4890, 11816), (5064, 11410), (5705, 10128), (5908, 9780), (6330, 9128), (6520, 8862), (6846, 8440), (7385, 7824)]