128814840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1587

約数の個数: 256

約数和(自身を含む): 535680000

約数和(自身を除く): 406865160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1549, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3098, 3465, 3780, 3960, 4158, 4620, 4647, 5544, 5940, 6196, 6930, 7560, 7745, 8316, 9240, 9294, 10395, 10843, 11880, 12392, 13860, 13941, 15490, 16632, 17039, 18588, 20790, 21686, 23235, 27720, 27882, 30980, 32529, 34078, 37176, 41580, 41823, 43372, 46470, 51117, 54215, 55764, 61960, 65058, 68156, 69705, 83160, 83646, 85195, 86744, 92940, 97587, 102234, 108430, 111528, 119273, 130116, 136312, 139410, 153351, 162645, 167292, 170390, 185880, 195174, 204468, 209115, 216860, 238546, 255585, 260232, 278820, 292761, 306702, 325290, 334584, 340780, 357819, 390348, 408936, 418230, 433720, 460053, 477092, 487935, 511170, 557640, 585522, 596365, 613404, 650580, 681560, 715638, 766755, 780696, 836460, 920106, 954184, 975870, 1022340, 1073457, 1171044, 1192730, 1226808, 1301160, 1431276, 1463805, 1533510, 1672920, 1789095, 1840212, 1951740, 2044680, 2146914, 2300265, 2342088, 2385460, 2862552, 2927610, 3067020, 3220371, 3578190, 3680424, 3903480, 4293828, 4600530, 4770920, 5367285, 5855220, 6134040, 6440742, 7156380, 8587656, 9201060, 10734570, 11710440, 12881484, 14312760, 16101855, 18402120, 21469140, 25762968, 32203710, 42938280, 64407420, 128814840]

約数ペア:

[(1, 128814840), (2, 64407420), (3, 42938280), (4, 32203710), (5, 25762968), (6, 21469140), (7, 18402120), (8, 16101855), (9, 14312760), (10, 12881484), (11, 11710440), (12, 10734570), (14, 9201060), (15, 8587656), (18, 7156380), (20, 6440742), (21, 6134040), (22, 5855220), (24, 5367285), (27, 4770920), (28, 4600530), (30, 4293828), (33, 3903480), (35, 3680424), (36, 3578190), (40, 3220371), (42, 3067020), (44, 2927610), (45, 2862552), (54, 2385460), (55, 2342088), (56, 2300265), (60, 2146914), (63, 2044680), (66, 1951740), (70, 1840212), (72, 1789095), (77, 1672920), (84, 1533510), (88, 1463805), (90, 1431276), (99, 1301160), (105, 1226808), (108, 1192730), (110, 1171044), (120, 1073457), (126, 1022340), (132, 975870), (135, 954184), (140, 920106), (154, 836460), (165, 780696), (168, 766755), (180, 715638), (189, 681560), (198, 650580), (210, 613404), (216, 596365), (220, 585522), (231, 557640), (252, 511170), (264, 487935), (270, 477092), (280, 460053), (297, 433720), (308, 418230), (315, 408936), (330, 390348), (360, 357819), (378, 340780), (385, 334584), (396, 325290), (420, 306702), (440, 292761), (462, 278820), (495, 260232), (504, 255585), (540, 238546), (594, 216860), (616, 209115), (630, 204468), (660, 195174), (693, 185880), (756, 170390), (770, 167292), (792, 162645), (840, 153351), (924, 139410), (945, 136312), (990, 130116), (1080, 119273), (1155, 111528), (1188, 108430), (1260, 102234), (1320, 97587), (1386, 92940), (1485, 86744), (1512, 85195), (1540, 83646), (1549, 83160), (1848, 69705), (1890, 68156), (1980, 65058), (2079, 61960), (2310, 55764), (2376, 54215), (2520, 51117), (2772, 46470), (2970, 43372), (3080, 41823), (3098, 41580), (3465, 37176), (3780, 34078), (3960, 32529), (4158, 30980), (4620, 27882), (4647, 27720), (5544, 23235), (5940, 21686), (6196, 20790), (6930, 18588), (7560, 17039), (7745, 16632), (8316, 15490), (9240, 13941), (9294, 13860), (10395, 12392), (10843, 11880)]