18978366960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1255183}}^1$

素因数の和:1255212

約数の個数: 160

約数和(自身を含む): 74708551680

約数和(自身を除く): 55730184720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1255183, 2510366, 3765549, 5020732, 6275915, 7531098, 8786281, 10041464, 11296647, 12551830, 15062196, 17572562, 18827745, 20082928, 22593294, 25103660, 26358843, 30124392, 33889941, 35145124, 37655490, 43931405, 45186588, 50207320, 52717686, 56483235, 60248784, 67779882, 70290248, 75310980, 79076529, 87862810, 90373176, 100414640, 105435372, 112966470, 131794215, 135559764, 140580496, 150621960, 158153058, 169449705, 175725620, 180746352, 210870744, 225932940, 237229587, 263588430, 271119528, 301243920, 316306116, 338899410, 351451240, 395382645, 421741488, 451865880, 474459174, 527176860, 542239056, 632612232, 677798820, 702902480, 790765290, 903731760, 948918348, 1054353720, 1186147935, 1265224464, 1355597640, 1581530580, 1897836696, 2108707440, 2372295870, 2711195280, 3163061160, 3795673392, 4744591740, 6326122320, 9489183480, 18978366960]

約数ペア:

[(1, 18978366960), (2, 9489183480), (3, 6326122320), (4, 4744591740), (5, 3795673392), (6, 3163061160), (7, 2711195280), (8, 2372295870), (9, 2108707440), (10, 1897836696), (12, 1581530580), (14, 1355597640), (15, 1265224464), (16, 1186147935), (18, 1054353720), (20, 948918348), (21, 903731760), (24, 790765290), (27, 702902480), (28, 677798820), (30, 632612232), (35, 542239056), (36, 527176860), (40, 474459174), (42, 451865880), (45, 421741488), (48, 395382645), (54, 351451240), (56, 338899410), (60, 316306116), (63, 301243920), (70, 271119528), (72, 263588430), (80, 237229587), (84, 225932940), (90, 210870744), (105, 180746352), (108, 175725620), (112, 169449705), (120, 158153058), (126, 150621960), (135, 140580496), (140, 135559764), (144, 131794215), (168, 112966470), (180, 105435372), (189, 100414640), (210, 90373176), (216, 87862810), (240, 79076529), (252, 75310980), (270, 70290248), (280, 67779882), (315, 60248784), (336, 56483235), (360, 52717686), (378, 50207320), (420, 45186588), (432, 43931405), (504, 37655490), (540, 35145124), (560, 33889941), (630, 30124392), (720, 26358843), (756, 25103660), (840, 22593294), (945, 20082928), (1008, 18827745), (1080, 17572562), (1260, 15062196), (1512, 12551830), (1680, 11296647), (1890, 10041464), (2160, 8786281), (2520, 7531098), (3024, 6275915), (3780, 5020732), (5040, 3765549), (7560, 2510366), (15120, 1255183)]