77671620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1794

約数の個数: 144

約数和(自身を含む): 267234240

約数和(自身を除く): 189562620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1747, 2223, 2340, 2470, 2964, 3420, 3494, 3705, 4446, 4940, 5241, 6988, 7410, 8735, 8892, 10482, 11115, 14820, 15723, 17470, 20964, 22230, 22711, 26205, 31446, 33193, 34940, 44460, 45422, 52410, 62892, 66386, 68133, 78615, 90844, 99579, 104820, 113555, 132772, 136266, 157230, 165965, 199158, 204399, 227110, 272532, 298737, 314460, 331930, 340665, 398316, 408798, 431509, 454220, 497895, 597474, 663860, 681330, 817596, 863018, 995790, 1021995, 1194948, 1294527, 1362660, 1493685, 1726036, 1991580, 2043990, 2157545, 2589054, 2987370, 3883581, 4087980, 4315090, 5178108, 5974740, 6472635, 7767162, 8630180, 12945270, 15534324, 19417905, 25890540, 38835810, 77671620]

約数ペア:

[(1, 77671620), (2, 38835810), (3, 25890540), (4, 19417905), (5, 15534324), (6, 12945270), (9, 8630180), (10, 7767162), (12, 6472635), (13, 5974740), (15, 5178108), (18, 4315090), (19, 4087980), (20, 3883581), (26, 2987370), (30, 2589054), (36, 2157545), (38, 2043990), (39, 1991580), (45, 1726036), (52, 1493685), (57, 1362660), (60, 1294527), (65, 1194948), (76, 1021995), (78, 995790), (90, 863018), (95, 817596), (114, 681330), (117, 663860), (130, 597474), (156, 497895), (171, 454220), (180, 431509), (190, 408798), (195, 398316), (228, 340665), (234, 331930), (247, 314460), (260, 298737), (285, 272532), (342, 227110), (380, 204399), (390, 199158), (468, 165965), (494, 157230), (570, 136266), (585, 132772), (684, 113555), (741, 104820), (780, 99579), (855, 90844), (988, 78615), (1140, 68133), (1170, 66386), (1235, 62892), (1482, 52410), (1710, 45422), (1747, 44460), (2223, 34940), (2340, 33193), (2470, 31446), (2964, 26205), (3420, 22711), (3494, 22230), (3705, 20964), (4446, 17470), (4940, 15723), (5241, 14820), (6988, 11115), (7410, 10482), (8735, 8892)]