261445320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 320

約数和(自身を含む): 961804800

約数和(自身を除く): 700359480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 81, 90, 93, 95, 108, 114, 120, 124, 135, 137, 152, 155, 162, 171, 180, 186, 190, 216, 228, 248, 270, 274, 279, 285, 310, 324, 342, 360, 372, 380, 405, 411, 456, 465, 513, 540, 548, 558, 570, 589, 620, 648, 684, 685, 744, 760, 810, 822, 837, 855, 930, 1026, 1080, 1096, 1116, 1140, 1178, 1233, 1240, 1368, 1370, 1395, 1539, 1620, 1644, 1674, 1710, 1767, 1860, 2052, 2055, 2232, 2280, 2356, 2466, 2511, 2565, 2603, 2740, 2790, 2945, 3078, 3240, 3288, 3348, 3420, 3534, 3699, 3720, 4104, 4110, 4185, 4247, 4712, 4932, 5022, 5130, 5206, 5301, 5480, 5580, 5890, 6156, 6165, 6696, 6840, 7068, 7398, 7695, 7809, 8220, 8370, 8494, 8835, 9864, 10044, 10260, 10412, 10602, 11097, 11160, 11780, 12312, 12330, 12555, 12741, 13015, 14136, 14796, 15390, 15618, 15903, 16440, 16740, 16988, 17670, 18495, 20088, 20520, 20824, 21204, 21235, 22194, 23427, 23560, 24660, 25110, 25482, 26030, 26505, 29592, 30780, 31236, 31806, 33480, 33976, 35340, 36990, 38223, 39045, 42408, 42470, 44388, 46854, 47709, 49320, 50220, 50964, 52060, 53010, 55485, 61560, 62472, 63612, 63705, 70281, 70680, 73980, 76446, 78090, 79515, 80693, 84940, 88776, 93708, 95418, 100440, 101928, 104120, 106020, 110970, 114669, 117135, 127224, 127410, 140562, 147960, 152892, 156180, 159030, 161386, 169880, 187416, 190836, 191115, 210843, 212040, 221940, 229338, 234270, 238545, 242079, 254820, 281124, 305784, 312360, 318060, 322772, 344007, 351405, 381672, 382230, 403465, 421686, 443880, 458676, 468540, 477090, 484158, 509640, 562248, 573345, 636120, 645544, 688014, 702810, 726237, 764460, 806930, 843372, 917352, 937080, 954180, 968316, 1054215, 1146690, 1210395, 1376028, 1405620, 1452474, 1528920, 1613860, 1686744, 1720035, 1908360, 1936632, 2108430, 2178711, 2293380, 2420790, 2752056, 2811240, 2904948, 3227720, 3440070, 3631185, 4216860, 4357422, 4586760, 4841580, 5809896, 6536133, 6880140, 7262370, 8433720, 8714844, 9683160, 10893555, 13072266, 13760280, 14524740, 17429688, 21787110, 26144532, 29049480, 32680665, 43574220, 52289064, 65361330, 87148440, 130722660, 261445320]

約数ペア:

[(1, 261445320), (2, 130722660), (3, 87148440), (4, 65361330), (5, 52289064), (6, 43574220), (8, 32680665), (9, 29049480), (10, 26144532), (12, 21787110), (15, 17429688), (18, 14524740), (19, 13760280), (20, 13072266), (24, 10893555), (27, 9683160), (30, 8714844), (31, 8433720), (36, 7262370), (38, 6880140), (40, 6536133), (45, 5809896), (54, 4841580), (57, 4586760), (60, 4357422), (62, 4216860), (72, 3631185), (76, 3440070), (81, 3227720), (90, 2904948), (93, 2811240), (95, 2752056), (108, 2420790), (114, 2293380), (120, 2178711), (124, 2108430), (135, 1936632), (137, 1908360), (152, 1720035), (155, 1686744), (162, 1613860), (171, 1528920), (180, 1452474), (186, 1405620), (190, 1376028), (216, 1210395), (228, 1146690), (248, 1054215), (270, 968316), (274, 954180), (279, 937080), (285, 917352), (310, 843372), (324, 806930), (342, 764460), (360, 726237), (372, 702810), (380, 688014), (405, 645544), (411, 636120), (456, 573345), (465, 562248), (513, 509640), (540, 484158), (548, 477090), (558, 468540), (570, 458676), (589, 443880), (620, 421686), (648, 403465), (684, 382230), (685, 381672), (744, 351405), (760, 344007), (810, 322772), (822, 318060), (837, 312360), (855, 305784), (930, 281124), (1026, 254820), (1080, 242079), (1096, 238545), (1116, 234270), (1140, 229338), (1178, 221940), (1233, 212040), (1240, 210843), (1368, 191115), (1370, 190836), (1395, 187416), (1539, 169880), (1620, 161386), (1644, 159030), (1674, 156180), (1710, 152892), (1767, 147960), (1860, 140562), (2052, 127410), (2055, 127224), (2232, 117135), (2280, 114669), (2356, 110970), (2466, 106020), (2511, 104120), (2565, 101928), (2603, 100440), (2740, 95418), (2790, 93708), (2945, 88776), (3078, 84940), (3240, 80693), (3288, 79515), (3348, 78090), (3420, 76446), (3534, 73980), (3699, 70680), (3720, 70281), (4104, 63705), (4110, 63612), (4185, 62472), (4247, 61560), (4712, 55485), (4932, 53010), (5022, 52060), (5130, 50964), (5206, 50220), (5301, 49320), (5480, 47709), (5580, 46854), (5890, 44388), (6156, 42470), (6165, 42408), (6696, 39045), (6840, 38223), (7068, 36990), (7398, 35340), (7695, 33976), (7809, 33480), (8220, 31806), (8370, 31236), (8494, 30780), (8835, 29592), (9864, 26505), (10044, 26030), (10260, 25482), (10412, 25110), (10602, 24660), (11097, 23560), (11160, 23427), (11780, 22194), (12312, 21235), (12330, 21204), (12555, 20824), (12741, 20520), (13015, 20088), (14136, 18495), (14796, 17670), (15390, 16988), (15618, 16740), (15903, 16440)]