68531760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 266366880

約数和(自身を除く): 197835120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 66, 68, 72, 80, 85, 88, 90, 99, 102, 110, 120, 132, 136, 144, 153, 165, 170, 176, 180, 187, 198, 204, 220, 240, 255, 264, 272, 306, 330, 340, 360, 374, 396, 408, 440, 495, 509, 510, 528, 561, 612, 660, 680, 720, 748, 765, 792, 816, 880, 935, 990, 1018, 1020, 1122, 1224, 1320, 1360, 1496, 1527, 1530, 1584, 1683, 1870, 1980, 2036, 2040, 2244, 2448, 2545, 2640, 2805, 2992, 3054, 3060, 3366, 3740, 3960, 4072, 4080, 4488, 4581, 5090, 5599, 5610, 6108, 6120, 6732, 7480, 7635, 7920, 8144, 8415, 8653, 8976, 9162, 10180, 11198, 11220, 12216, 12240, 13464, 14960, 15270, 16797, 16830, 17306, 18324, 20360, 22396, 22440, 22905, 24432, 25959, 26928, 27995, 30540, 33594, 33660, 34612, 36648, 40720, 43265, 44792, 44880, 45810, 50391, 51918, 55990, 61080, 67188, 67320, 69224, 73296, 77877, 83985, 86530, 89584, 91620, 95183, 100782, 103836, 111980, 122160, 129795, 134376, 134640, 138448, 155754, 167970, 173060, 183240, 190366, 201564, 207672, 223960, 251955, 259590, 268752, 285549, 311508, 335940, 346120, 366480, 380732, 389385, 403128, 415344, 447920, 475915, 503910, 519180, 571098, 623016, 671880, 692240, 761464, 778770, 806256, 856647, 951830, 1007820, 1038360, 1142196, 1246032, 1343760, 1427745, 1522928, 1557540, 1713294, 1903660, 2015640, 2076720, 2284392, 2855490, 3115080, 3426588, 3807320, 4031280, 4283235, 4568784, 5710980, 6230160, 6853176, 7614640, 8566470, 11421960, 13706352, 17132940, 22843920, 34265880, 68531760]

約数ペア:

[(1, 68531760), (2, 34265880), (3, 22843920), (4, 17132940), (5, 13706352), (6, 11421960), (8, 8566470), (9, 7614640), (10, 6853176), (11, 6230160), (12, 5710980), (15, 4568784), (16, 4283235), (17, 4031280), (18, 3807320), (20, 3426588), (22, 3115080), (24, 2855490), (30, 2284392), (33, 2076720), (34, 2015640), (36, 1903660), (40, 1713294), (44, 1557540), (45, 1522928), (48, 1427745), (51, 1343760), (55, 1246032), (60, 1142196), (66, 1038360), (68, 1007820), (72, 951830), (80, 856647), (85, 806256), (88, 778770), (90, 761464), (99, 692240), (102, 671880), (110, 623016), (120, 571098), (132, 519180), (136, 503910), (144, 475915), (153, 447920), (165, 415344), (170, 403128), (176, 389385), (180, 380732), (187, 366480), (198, 346120), (204, 335940), (220, 311508), (240, 285549), (255, 268752), (264, 259590), (272, 251955), (306, 223960), (330, 207672), (340, 201564), (360, 190366), (374, 183240), (396, 173060), (408, 167970), (440, 155754), (495, 138448), (509, 134640), (510, 134376), (528, 129795), (561, 122160), (612, 111980), (660, 103836), (680, 100782), (720, 95183), (748, 91620), (765, 89584), (792, 86530), (816, 83985), (880, 77877), (935, 73296), (990, 69224), (1018, 67320), (1020, 67188), (1122, 61080), (1224, 55990), (1320, 51918), (1360, 50391), (1496, 45810), (1527, 44880), (1530, 44792), (1584, 43265), (1683, 40720), (1870, 36648), (1980, 34612), (2036, 33660), (2040, 33594), (2244, 30540), (2448, 27995), (2545, 26928), (2640, 25959), (2805, 24432), (2992, 22905), (3054, 22440), (3060, 22396), (3366, 20360), (3740, 18324), (3960, 17306), (4072, 16830), (4080, 16797), (4488, 15270), (4581, 14960), (5090, 13464), (5599, 12240), (5610, 12216), (6108, 11220), (6120, 11198), (6732, 10180), (7480, 9162), (7635, 8976), (7920, 8653), (8144, 8415)]