279147120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{3391}}^1$

素因数の和:3428

約数の個数: 160

約数和(自身を含む): 1009459200

約数和(自身を除く): 730312080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3391, 3430, 3920, 4116, 5145, 5488, 5880, 6782, 6860, 8232, 10173, 10290, 11760, 13564, 13720, 16464, 16955, 20346, 20580, 23737, 27128, 27440, 33910, 40692, 41160, 47474, 50865, 54256, 67820, 71211, 81384, 82320, 94948, 101730, 118685, 135640, 142422, 162768, 166159, 189896, 203460, 237370, 271280, 284844, 332318, 356055, 379792, 406920, 474740, 498477, 569688, 664636, 712110, 813840, 830795, 949480, 996954, 1139376, 1163113, 1329272, 1424220, 1661590, 1898960, 1993908, 2326226, 2492385, 2658544, 2848440, 3323180, 3489339, 3987816, 4652452, 4984770, 5696880, 5815565, 6646360, 6978678, 7975632, 9304904, 9969540, 11631130, 13292720, 13957356, 17446695, 18609808, 19939080, 23262260, 27914712, 34893390, 39878160, 46524520, 55829424, 69786780, 93049040, 139573560, 279147120]

約数ペア:

[(1, 279147120), (2, 139573560), (3, 93049040), (4, 69786780), (5, 55829424), (6, 46524520), (7, 39878160), (8, 34893390), (10, 27914712), (12, 23262260), (14, 19939080), (15, 18609808), (16, 17446695), (20, 13957356), (21, 13292720), (24, 11631130), (28, 9969540), (30, 9304904), (35, 7975632), (40, 6978678), (42, 6646360), (48, 5815565), (49, 5696880), (56, 4984770), (60, 4652452), (70, 3987816), (80, 3489339), (84, 3323180), (98, 2848440), (105, 2658544), (112, 2492385), (120, 2326226), (140, 1993908), (147, 1898960), (168, 1661590), (196, 1424220), (210, 1329272), (240, 1163113), (245, 1139376), (280, 996954), (294, 949480), (336, 830795), (343, 813840), (392, 712110), (420, 664636), (490, 569688), (560, 498477), (588, 474740), (686, 406920), (735, 379792), (784, 356055), (840, 332318), (980, 284844), (1029, 271280), (1176, 237370), (1372, 203460), (1470, 189896), (1680, 166159), (1715, 162768), (1960, 142422), (2058, 135640), (2352, 118685), (2744, 101730), (2940, 94948), (3391, 82320), (3430, 81384), (3920, 71211), (4116, 67820), (5145, 54256), (5488, 50865), (5880, 47474), (6782, 41160), (6860, 40692), (8232, 33910), (10173, 27440), (10290, 27128), (11760, 23737), (13564, 20580), (13720, 20346), (16464, 16955)]