68870880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 216

約数和(自身を含む): 255390408

約数和(自身を除く): 186519528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 283, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 566, 585, 624, 676, 720, 780, 845, 849, 936, 1014, 1040, 1132, 1170, 1248, 1352, 1415, 1440, 1521, 1560, 1690, 1698, 1872, 2028, 2080, 2264, 2340, 2535, 2547, 2704, 2830, 3042, 3120, 3380, 3396, 3679, 3744, 4056, 4245, 4528, 4680, 5070, 5094, 5408, 5660, 6084, 6240, 6760, 6792, 7358, 7605, 8112, 8490, 9056, 9360, 10140, 10188, 11037, 11320, 12168, 12735, 13520, 13584, 14716, 15210, 16224, 16980, 18395, 18720, 20280, 20376, 22074, 22640, 24336, 25470, 27040, 27168, 29432, 30420, 33111, 33960, 36790, 40560, 40752, 44148, 45280, 47827, 48672, 50940, 55185, 58864, 60840, 66222, 67920, 73580, 81120, 81504, 88296, 95654, 101880, 110370, 117728, 121680, 132444, 135840, 143481, 147160, 165555, 176592, 191308, 203760, 220740, 239135, 243360, 264888, 286962, 294320, 331110, 353184, 382616, 407520, 430443, 441480, 478270, 529776, 573924, 588640, 662220, 717405, 765232, 860886, 882960, 956540, 1059552, 1147848, 1324440, 1434810, 1530464, 1721772, 1765920, 1913080, 2152215, 2295696, 2648880, 2869620, 3443544, 3826160, 4304430, 4591392, 5297760, 5739240, 6887088, 7652320, 8608860, 11478480, 13774176, 17217720, 22956960, 34435440, 68870880]

約数ペア:

[(1, 68870880), (2, 34435440), (3, 22956960), (4, 17217720), (5, 13774176), (6, 11478480), (8, 8608860), (9, 7652320), (10, 6887088), (12, 5739240), (13, 5297760), (15, 4591392), (16, 4304430), (18, 3826160), (20, 3443544), (24, 2869620), (26, 2648880), (30, 2295696), (32, 2152215), (36, 1913080), (39, 1765920), (40, 1721772), (45, 1530464), (48, 1434810), (52, 1324440), (60, 1147848), (65, 1059552), (72, 956540), (78, 882960), (80, 860886), (90, 765232), (96, 717405), (104, 662220), (117, 588640), (120, 573924), (130, 529776), (144, 478270), (156, 441480), (160, 430443), (169, 407520), (180, 382616), (195, 353184), (208, 331110), (234, 294320), (240, 286962), (260, 264888), (283, 243360), (288, 239135), (312, 220740), (338, 203760), (360, 191308), (390, 176592), (416, 165555), (468, 147160), (480, 143481), (507, 135840), (520, 132444), (566, 121680), (585, 117728), (624, 110370), (676, 101880), (720, 95654), (780, 88296), (845, 81504), (849, 81120), (936, 73580), (1014, 67920), (1040, 66222), (1132, 60840), (1170, 58864), (1248, 55185), (1352, 50940), (1415, 48672), (1440, 47827), (1521, 45280), (1560, 44148), (1690, 40752), (1698, 40560), (1872, 36790), (2028, 33960), (2080, 33111), (2264, 30420), (2340, 29432), (2535, 27168), (2547, 27040), (2704, 25470), (2830, 24336), (3042, 22640), (3120, 22074), (3380, 20376), (3396, 20280), (3679, 18720), (3744, 18395), (4056, 16980), (4245, 16224), (4528, 15210), (4680, 14716), (5070, 13584), (5094, 13520), (5408, 12735), (5660, 12168), (6084, 11320), (6240, 11037), (6760, 10188), (6792, 10140), (7358, 9360), (7605, 9056), (8112, 8490)]