81098080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 239016960

約数和(自身を除く): 157918880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 103, 112, 133, 140, 148, 152, 160, 185, 190, 206, 224, 259, 266, 280, 296, 304, 370, 380, 412, 515, 518, 532, 560, 592, 608, 665, 703, 721, 740, 760, 824, 1030, 1036, 1064, 1120, 1184, 1295, 1330, 1406, 1442, 1480, 1520, 1648, 1957, 2060, 2072, 2128, 2590, 2660, 2812, 2884, 2960, 3040, 3296, 3515, 3605, 3811, 3914, 4120, 4144, 4256, 4921, 5180, 5320, 5624, 5768, 5920, 7030, 7210, 7622, 7828, 8240, 8288, 9785, 9842, 10360, 10640, 11248, 11536, 13699, 14060, 14420, 15244, 15656, 16480, 19055, 19570, 19684, 20720, 21280, 22496, 23072, 24605, 26677, 27398, 28120, 28840, 30488, 31312, 38110, 39140, 39368, 41440, 49210, 53354, 54796, 56240, 57680, 60976, 62624, 68495, 72409, 76220, 78280, 78736, 98420, 106708, 109592, 112480, 115360, 121952, 133385, 136990, 144818, 152440, 156560, 157472, 196840, 213416, 219184, 266770, 273980, 289636, 304880, 313120, 362045, 393680, 426832, 438368, 506863, 533540, 547960, 579272, 609760, 724090, 787360, 853664, 1013726, 1067080, 1095920, 1158544, 1448180, 2027452, 2134160, 2191840, 2317088, 2534315, 2896360, 4054904, 4268320, 5068630, 5792720, 8109808, 10137260, 11585440, 16219616, 20274520, 40549040, 81098080]

約数ペア:

[(1, 81098080), (2, 40549040), (4, 20274520), (5, 16219616), (7, 11585440), (8, 10137260), (10, 8109808), (14, 5792720), (16, 5068630), (19, 4268320), (20, 4054904), (28, 2896360), (32, 2534315), (35, 2317088), (37, 2191840), (38, 2134160), (40, 2027452), (56, 1448180), (70, 1158544), (74, 1095920), (76, 1067080), (80, 1013726), (95, 853664), (103, 787360), (112, 724090), (133, 609760), (140, 579272), (148, 547960), (152, 533540), (160, 506863), (185, 438368), (190, 426832), (206, 393680), (224, 362045), (259, 313120), (266, 304880), (280, 289636), (296, 273980), (304, 266770), (370, 219184), (380, 213416), (412, 196840), (515, 157472), (518, 156560), (532, 152440), (560, 144818), (592, 136990), (608, 133385), (665, 121952), (703, 115360), (721, 112480), (740, 109592), (760, 106708), (824, 98420), (1030, 78736), (1036, 78280), (1064, 76220), (1120, 72409), (1184, 68495), (1295, 62624), (1330, 60976), (1406, 57680), (1442, 56240), (1480, 54796), (1520, 53354), (1648, 49210), (1957, 41440), (2060, 39368), (2072, 39140), (2128, 38110), (2590, 31312), (2660, 30488), (2812, 28840), (2884, 28120), (2960, 27398), (3040, 26677), (3296, 24605), (3515, 23072), (3605, 22496), (3811, 21280), (3914, 20720), (4120, 19684), (4144, 19570), (4256, 19055), (4921, 16480), (5180, 15656), (5320, 15244), (5624, 14420), (5768, 14060), (5920, 13699), (7030, 11536), (7210, 11248), (7622, 10640), (7828, 10360), (8240, 9842), (8288, 9785)]