18877320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:265

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 59919480

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, 227, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 454, 462, 495, 504, 540, 594, 616, 630, 660, 681, 693, 756, 770, 792, 840, 908, 924, 945, 990, 1080, 1135, 1155, 1188, 1260, 1320, 1362, 1386, 1485, 1512, 1540, 1589, 1816, 1848, 1890, 1980, 2043, 2079, 2270, 2310, 2376, 2497, 2520, 2724, 2772, 2970, 3080, 3178, 3405, 3465, 3780, 3960, 4086, 4158, 4540, 4620, 4767, 4994, 5448, 5544, 5940, 6129, 6356, 6810, 6930, 7491, 7560, 7945, 8172, 8316, 9080, 9240, 9534, 9988, 10215, 10395, 11880, 12258, 12485, 12712, 13620, 13860, 14301, 14982, 15890, 16344, 16632, 17479, 19068, 19976, 20430, 20790, 22473, 23835, 24516, 24970, 27240, 27720, 28602, 29964, 30645, 31780, 34958, 37455, 38136, 40860, 41580, 42903, 44946, 47670, 49032, 49940, 52437, 57204, 59928, 61290, 63560, 67419, 69916, 71505, 74910, 81720, 83160, 85806, 87395, 89892, 95340, 99880, 104874, 112365, 114408, 122580, 134838, 139832, 143010, 149820, 157311, 171612, 174790, 179784, 190680, 209748, 214515, 224730, 245160, 262185, 269676, 286020, 299640, 314622, 337095, 343224, 349580, 419496, 429030, 449460, 471933, 524370, 539352, 572040, 629244, 674190, 699160, 786555, 858060, 898920, 943866, 1048740, 1258488, 1348380, 1573110, 1716120, 1887732, 2097480, 2359665, 2696760, 3146220, 3775464, 4719330, 6292440, 9438660, 18877320]

約数ペア:

[(1, 18877320), (2, 9438660), (3, 6292440), (4, 4719330), (5, 3775464), (6, 3146220), (7, 2696760), (8, 2359665), (9, 2097480), (10, 1887732), (11, 1716120), (12, 1573110), (14, 1348380), (15, 1258488), (18, 1048740), (20, 943866), (21, 898920), (22, 858060), (24, 786555), (27, 699160), (28, 674190), (30, 629244), (33, 572040), (35, 539352), (36, 524370), (40, 471933), (42, 449460), (44, 429030), (45, 419496), (54, 349580), (55, 343224), (56, 337095), (60, 314622), (63, 299640), (66, 286020), (70, 269676), (72, 262185), (77, 245160), (84, 224730), (88, 214515), (90, 209748), (99, 190680), (105, 179784), (108, 174790), (110, 171612), (120, 157311), (126, 149820), (132, 143010), (135, 139832), (140, 134838), (154, 122580), (165, 114408), (168, 112365), (180, 104874), (189, 99880), (198, 95340), (210, 89892), (216, 87395), (220, 85806), (227, 83160), (231, 81720), (252, 74910), (264, 71505), (270, 69916), (280, 67419), (297, 63560), (308, 61290), (315, 59928), (330, 57204), (360, 52437), (378, 49940), (385, 49032), (396, 47670), (420, 44946), (440, 42903), (454, 41580), (462, 40860), (495, 38136), (504, 37455), (540, 34958), (594, 31780), (616, 30645), (630, 29964), (660, 28602), (681, 27720), (693, 27240), (756, 24970), (770, 24516), (792, 23835), (840, 22473), (908, 20790), (924, 20430), (945, 19976), (990, 19068), (1080, 17479), (1135, 16632), (1155, 16344), (1188, 15890), (1260, 14982), (1320, 14301), (1362, 13860), (1386, 13620), (1485, 12712), (1512, 12485), (1540, 12258), (1589, 11880), (1816, 10395), (1848, 10215), (1890, 9988), (1980, 9534), (2043, 9240), (2079, 9080), (2270, 8316), (2310, 8172), (2376, 7945), (2497, 7560), (2520, 7491), (2724, 6930), (2772, 6810), (2970, 6356), (3080, 6129), (3178, 5940), (3405, 5544), (3465, 5448), (3780, 4994), (3960, 4767), (4086, 4620), (4158, 4540)]