78130920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2047

約数の個数: 128

約数和(自身を含む): 273715200

約数和(自身を除く): 195584280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 1979, 2632, 2820, 3290, 3948, 3958, 4935, 5640, 5937, 6580, 7896, 7916, 9870, 9895, 11874, 13160, 13853, 15832, 19740, 19790, 23748, 27706, 29685, 39480, 39580, 41559, 47496, 55412, 59370, 69265, 79160, 83118, 93013, 110824, 118740, 138530, 166236, 186026, 207795, 237480, 277060, 279039, 332472, 372052, 415590, 465065, 554120, 558078, 651091, 744104, 831180, 930130, 1116156, 1302182, 1395195, 1662360, 1860260, 1953273, 2232312, 2604364, 2790390, 3255455, 3720520, 3906546, 5208728, 5580780, 6510910, 7813092, 9766365, 11161560, 13021820, 15626184, 19532730, 26043640, 39065460, 78130920]

約数ペア:

[(1, 78130920), (2, 39065460), (3, 26043640), (4, 19532730), (5, 15626184), (6, 13021820), (7, 11161560), (8, 9766365), (10, 7813092), (12, 6510910), (14, 5580780), (15, 5208728), (20, 3906546), (21, 3720520), (24, 3255455), (28, 2790390), (30, 2604364), (35, 2232312), (40, 1953273), (42, 1860260), (47, 1662360), (56, 1395195), (60, 1302182), (70, 1116156), (84, 930130), (94, 831180), (105, 744104), (120, 651091), (140, 558078), (141, 554120), (168, 465065), (188, 415590), (210, 372052), (235, 332472), (280, 279039), (282, 277060), (329, 237480), (376, 207795), (420, 186026), (470, 166236), (564, 138530), (658, 118740), (705, 110824), (840, 93013), (940, 83118), (987, 79160), (1128, 69265), (1316, 59370), (1410, 55412), (1645, 47496), (1880, 41559), (1974, 39580), (1979, 39480), (2632, 29685), (2820, 27706), (3290, 23748), (3948, 19790), (3958, 19740), (4935, 15832), (5640, 13853), (5937, 13160), (6580, 11874), (7896, 9895), (7916, 9870)]