81736480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 162118880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 160, 161, 167, 184, 190, 224, 230, 266, 280, 304, 322, 334, 368, 380, 437, 460, 532, 560, 608, 644, 665, 668, 736, 760, 805, 835, 874, 920, 1064, 1120, 1169, 1288, 1330, 1336, 1520, 1610, 1670, 1748, 1840, 2128, 2185, 2338, 2576, 2660, 2672, 3040, 3059, 3173, 3220, 3340, 3496, 3680, 3841, 4256, 4370, 4676, 5152, 5320, 5344, 5845, 6118, 6346, 6440, 6680, 6992, 7682, 8740, 9352, 10640, 11690, 12236, 12692, 12880, 13360, 13984, 15295, 15364, 15865, 17480, 18704, 19205, 21280, 22211, 23380, 24472, 25384, 25760, 26720, 26887, 30590, 30728, 31730, 34960, 37408, 38410, 44422, 46760, 48944, 50768, 53774, 61180, 61456, 63460, 69920, 72979, 76820, 88844, 93520, 97888, 101536, 107548, 111055, 122360, 122912, 126920, 134435, 145958, 153640, 177688, 187040, 215096, 222110, 244720, 253840, 268870, 291916, 307280, 355376, 364895, 430192, 444220, 489440, 507680, 510853, 537740, 583832, 614560, 710752, 729790, 860384, 888440, 1021706, 1075480, 1167664, 1459580, 1776880, 2043412, 2150960, 2335328, 2554265, 2919160, 3553760, 4086824, 4301920, 5108530, 5838320, 8173648, 10217060, 11676640, 16347296, 20434120, 40868240, 81736480]

約数ペア:

[(1, 81736480), (2, 40868240), (4, 20434120), (5, 16347296), (7, 11676640), (8, 10217060), (10, 8173648), (14, 5838320), (16, 5108530), (19, 4301920), (20, 4086824), (23, 3553760), (28, 2919160), (32, 2554265), (35, 2335328), (38, 2150960), (40, 2043412), (46, 1776880), (56, 1459580), (70, 1167664), (76, 1075480), (80, 1021706), (92, 888440), (95, 860384), (112, 729790), (115, 710752), (133, 614560), (140, 583832), (152, 537740), (160, 510853), (161, 507680), (167, 489440), (184, 444220), (190, 430192), (224, 364895), (230, 355376), (266, 307280), (280, 291916), (304, 268870), (322, 253840), (334, 244720), (368, 222110), (380, 215096), (437, 187040), (460, 177688), (532, 153640), (560, 145958), (608, 134435), (644, 126920), (665, 122912), (668, 122360), (736, 111055), (760, 107548), (805, 101536), (835, 97888), (874, 93520), (920, 88844), (1064, 76820), (1120, 72979), (1169, 69920), (1288, 63460), (1330, 61456), (1336, 61180), (1520, 53774), (1610, 50768), (1670, 48944), (1748, 46760), (1840, 44422), (2128, 38410), (2185, 37408), (2338, 34960), (2576, 31730), (2660, 30728), (2672, 30590), (3040, 26887), (3059, 26720), (3173, 25760), (3220, 25384), (3340, 24472), (3496, 23380), (3680, 22211), (3841, 21280), (4256, 19205), (4370, 18704), (4676, 17480), (5152, 15865), (5320, 15364), (5344, 15295), (5845, 13984), (6118, 13360), (6346, 12880), (6440, 12692), (6680, 12236), (6992, 11690), (7682, 10640), (8740, 9352)]