28247520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1201}}^1$

素因数の和:1233

約数の個数: 144

約数和(自身を含む): 103593168

約数和(自身を除く): 75345648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1201, 1470, 1568, 1680, 1960, 2352, 2402, 2940, 3360, 3603, 3920, 4704, 4804, 5880, 6005, 7206, 7840, 8407, 9608, 11760, 12010, 14412, 16814, 18015, 19216, 23520, 24020, 25221, 28824, 33628, 36030, 38432, 42035, 48040, 50442, 57648, 58849, 67256, 72060, 84070, 96080, 100884, 115296, 117698, 126105, 134512, 144120, 168140, 176547, 192160, 201768, 235396, 252210, 269024, 288240, 294245, 336280, 353094, 403536, 470792, 504420, 576480, 588490, 672560, 706188, 807072, 882735, 941584, 1008840, 1176980, 1345120, 1412376, 1765470, 1883168, 2017680, 2353960, 2824752, 3530940, 4035360, 4707920, 5649504, 7061880, 9415840, 14123760, 28247520]

約数ペア:

[(1, 28247520), (2, 14123760), (3, 9415840), (4, 7061880), (5, 5649504), (6, 4707920), (7, 4035360), (8, 3530940), (10, 2824752), (12, 2353960), (14, 2017680), (15, 1883168), (16, 1765470), (20, 1412376), (21, 1345120), (24, 1176980), (28, 1008840), (30, 941584), (32, 882735), (35, 807072), (40, 706188), (42, 672560), (48, 588490), (49, 576480), (56, 504420), (60, 470792), (70, 403536), (80, 353094), (84, 336280), (96, 294245), (98, 288240), (105, 269024), (112, 252210), (120, 235396), (140, 201768), (147, 192160), (160, 176547), (168, 168140), (196, 144120), (210, 134512), (224, 126105), (240, 117698), (245, 115296), (280, 100884), (294, 96080), (336, 84070), (392, 72060), (420, 67256), (480, 58849), (490, 57648), (560, 50442), (588, 48040), (672, 42035), (735, 38432), (784, 36030), (840, 33628), (980, 28824), (1120, 25221), (1176, 24020), (1201, 23520), (1470, 19216), (1568, 18015), (1680, 16814), (1960, 14412), (2352, 12010), (2402, 11760), (2940, 9608), (3360, 8407), (3603, 7840), (3920, 7206), (4704, 6005), (4804, 5880)]