81596640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201449760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 152, 160, 184, 190, 228, 230, 240, 276, 285, 304, 345, 368, 380, 389, 437, 456, 460, 480, 552, 570, 608, 690, 736, 760, 778, 874, 912, 920, 1104, 1140, 1167, 1311, 1380, 1520, 1556, 1748, 1824, 1840, 1945, 2185, 2208, 2280, 2334, 2622, 2760, 3040, 3112, 3496, 3680, 3890, 4370, 4560, 4668, 5244, 5520, 5835, 6224, 6555, 6992, 7391, 7780, 8740, 8947, 9120, 9336, 10488, 11040, 11670, 12448, 13110, 13984, 14782, 15560, 17480, 17894, 18672, 20976, 22173, 23340, 26220, 26841, 29564, 31120, 34960, 35788, 36955, 37344, 41952, 44346, 44735, 46680, 52440, 53682, 59128, 62240, 69920, 71576, 73910, 88692, 89470, 93360, 104880, 107364, 110865, 118256, 134205, 143152, 147820, 169993, 177384, 178940, 186720, 209760, 214728, 221730, 236512, 268410, 286304, 295640, 339986, 354768, 357880, 429456, 443460, 509979, 536820, 591280, 679972, 709536, 715760, 849965, 858912, 886920, 1019958, 1073640, 1182560, 1359944, 1431520, 1699930, 1773840, 2039916, 2147280, 2549895, 2719888, 3399860, 3547680, 4079832, 4294560, 5099790, 5439776, 6799720, 8159664, 10199580, 13599440, 16319328, 20399160, 27198880, 40798320, 81596640]

約数ペア:

[(1, 81596640), (2, 40798320), (3, 27198880), (4, 20399160), (5, 16319328), (6, 13599440), (8, 10199580), (10, 8159664), (12, 6799720), (15, 5439776), (16, 5099790), (19, 4294560), (20, 4079832), (23, 3547680), (24, 3399860), (30, 2719888), (32, 2549895), (38, 2147280), (40, 2039916), (46, 1773840), (48, 1699930), (57, 1431520), (60, 1359944), (69, 1182560), (76, 1073640), (80, 1019958), (92, 886920), (95, 858912), (96, 849965), (114, 715760), (115, 709536), (120, 679972), (138, 591280), (152, 536820), (160, 509979), (184, 443460), (190, 429456), (228, 357880), (230, 354768), (240, 339986), (276, 295640), (285, 286304), (304, 268410), (345, 236512), (368, 221730), (380, 214728), (389, 209760), (437, 186720), (456, 178940), (460, 177384), (480, 169993), (552, 147820), (570, 143152), (608, 134205), (690, 118256), (736, 110865), (760, 107364), (778, 104880), (874, 93360), (912, 89470), (920, 88692), (1104, 73910), (1140, 71576), (1167, 69920), (1311, 62240), (1380, 59128), (1520, 53682), (1556, 52440), (1748, 46680), (1824, 44735), (1840, 44346), (1945, 41952), (2185, 37344), (2208, 36955), (2280, 35788), (2334, 34960), (2622, 31120), (2760, 29564), (3040, 26841), (3112, 26220), (3496, 23340), (3680, 22173), (3890, 20976), (4370, 18672), (4560, 17894), (4668, 17480), (5244, 15560), (5520, 14782), (5835, 13984), (6224, 13110), (6555, 12448), (6992, 11670), (7391, 11040), (7780, 10488), (8740, 9336), (8947, 9120)]