279256680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 256

約数和(自身を含む): 1013760000

約数和(自身を除く): 734503320

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, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 439, 456, 465, 513, 540, 558, 570, 589, 620, 684, 744, 760, 837, 855, 878, 930, 1026, 1080, 1116, 1140, 1178, 1240, 1317, 1368, 1395, 1674, 1710, 1756, 1767, 1860, 2052, 2195, 2232, 2280, 2356, 2565, 2634, 2790, 2945, 3348, 3420, 3512, 3534, 3720, 3951, 4104, 4185, 4390, 4712, 5130, 5268, 5301, 5580, 5890, 6585, 6696, 6840, 7068, 7902, 8341, 8370, 8780, 8835, 10260, 10536, 10602, 11160, 11780, 11853, 13170, 13609, 14136, 15804, 15903, 16682, 16740, 17560, 17670, 19755, 20520, 21204, 23560, 23706, 25023, 26340, 26505, 27218, 31608, 31806, 33364, 33480, 35340, 39510, 40827, 41705, 42408, 47412, 50046, 52680, 53010, 54436, 59265, 63612, 66728, 68045, 70680, 75069, 79020, 79515, 81654, 83410, 94824, 100092, 106020, 108872, 118530, 122481, 125115, 127224, 136090, 150138, 158040, 159030, 163308, 166820, 200184, 204135, 212040, 225207, 237060, 244962, 250230, 258571, 272180, 300276, 318060, 326616, 333640, 367443, 375345, 408270, 450414, 474120, 489924, 500460, 517142, 544360, 600552, 612405, 636120, 734886, 750690, 775713, 816540, 900828, 979848, 1000920, 1034284, 1126035, 1224810, 1292855, 1469772, 1501380, 1551426, 1633080, 1801656, 1837215, 2068568, 2252070, 2327139, 2449620, 2585710, 2939544, 3002760, 3102852, 3674430, 3878565, 4504140, 4654278, 4899240, 5171420, 6205704, 6981417, 7348860, 7757130, 9008280, 9308556, 10342840, 11635695, 13962834, 14697720, 15514260, 18617112, 23271390, 27925668, 31028520, 34907085, 46542780, 55851336, 69814170, 93085560, 139628340, 279256680]

約数ペア:

[(1, 279256680), (2, 139628340), (3, 93085560), (4, 69814170), (5, 55851336), (6, 46542780), (8, 34907085), (9, 31028520), (10, 27925668), (12, 23271390), (15, 18617112), (18, 15514260), (19, 14697720), (20, 13962834), (24, 11635695), (27, 10342840), (30, 9308556), (31, 9008280), (36, 7757130), (38, 7348860), (40, 6981417), (45, 6205704), (54, 5171420), (57, 4899240), (60, 4654278), (62, 4504140), (72, 3878565), (76, 3674430), (90, 3102852), (93, 3002760), (95, 2939544), (108, 2585710), (114, 2449620), (120, 2327139), (124, 2252070), (135, 2068568), (152, 1837215), (155, 1801656), (171, 1633080), (180, 1551426), (186, 1501380), (190, 1469772), (216, 1292855), (228, 1224810), (248, 1126035), (270, 1034284), (279, 1000920), (285, 979848), (310, 900828), (342, 816540), (360, 775713), (372, 750690), (380, 734886), (439, 636120), (456, 612405), (465, 600552), (513, 544360), (540, 517142), (558, 500460), (570, 489924), (589, 474120), (620, 450414), (684, 408270), (744, 375345), (760, 367443), (837, 333640), (855, 326616), (878, 318060), (930, 300276), (1026, 272180), (1080, 258571), (1116, 250230), (1140, 244962), (1178, 237060), (1240, 225207), (1317, 212040), (1368, 204135), (1395, 200184), (1674, 166820), (1710, 163308), (1756, 159030), (1767, 158040), (1860, 150138), (2052, 136090), (2195, 127224), (2232, 125115), (2280, 122481), (2356, 118530), (2565, 108872), (2634, 106020), (2790, 100092), (2945, 94824), (3348, 83410), (3420, 81654), (3512, 79515), (3534, 79020), (3720, 75069), (3951, 70680), (4104, 68045), (4185, 66728), (4390, 63612), (4712, 59265), (5130, 54436), (5268, 53010), (5301, 52680), (5580, 50046), (5890, 47412), (6585, 42408), (6696, 41705), (6840, 40827), (7068, 39510), (7902, 35340), (8341, 33480), (8370, 33364), (8780, 31806), (8835, 31608), (10260, 27218), (10536, 26505), (10602, 26340), (11160, 25023), (11780, 23706), (11853, 23560), (13170, 21204), (13609, 20520), (14136, 19755), (15804, 17670), (15903, 17560), (16682, 16740)]