30778020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1914

約数の個数: 144

約数和(自身を含む): 114965760

約数和(自身を除く): 84187740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1879, 2340, 2730, 3276, 3758, 4095, 5460, 5637, 7516, 8190, 9395, 11274, 13153, 16380, 16911, 18790, 22548, 24427, 26306, 28185, 33822, 37580, 39459, 48854, 52612, 56370, 65765, 67644, 73281, 78918, 84555, 97708, 112740, 118377, 122135, 131530, 146562, 157836, 169110, 170989, 197295, 219843, 236754, 244270, 263060, 293124, 338220, 341978, 366405, 394590, 439686, 473508, 488540, 512967, 591885, 683956, 732810, 789180, 854945, 879372, 1025934, 1099215, 1183770, 1465620, 1538901, 1709890, 2051868, 2198430, 2367540, 2564835, 3077802, 3419780, 4396860, 5129670, 6155604, 7694505, 10259340, 15389010, 30778020]

約数ペア:

[(1, 30778020), (2, 15389010), (3, 10259340), (4, 7694505), (5, 6155604), (6, 5129670), (7, 4396860), (9, 3419780), (10, 3077802), (12, 2564835), (13, 2367540), (14, 2198430), (15, 2051868), (18, 1709890), (20, 1538901), (21, 1465620), (26, 1183770), (28, 1099215), (30, 1025934), (35, 879372), (36, 854945), (39, 789180), (42, 732810), (45, 683956), (52, 591885), (60, 512967), (63, 488540), (65, 473508), (70, 439686), (78, 394590), (84, 366405), (90, 341978), (91, 338220), (105, 293124), (117, 263060), (126, 244270), (130, 236754), (140, 219843), (156, 197295), (180, 170989), (182, 169110), (195, 157836), (210, 146562), (234, 131530), (252, 122135), (260, 118377), (273, 112740), (315, 97708), (364, 84555), (390, 78918), (420, 73281), (455, 67644), (468, 65765), (546, 56370), (585, 52612), (630, 48854), (780, 39459), (819, 37580), (910, 33822), (1092, 28185), (1170, 26306), (1260, 24427), (1365, 22548), (1638, 18790), (1820, 16911), (1879, 16380), (2340, 13153), (2730, 11274), (3276, 9395), (3758, 8190), (4095, 7516), (5460, 5637)]