28688040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 96940800

約数和(自身を除く): 68252760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 202, 216, 263, 270, 303, 360, 404, 505, 526, 540, 606, 789, 808, 909, 1010, 1052, 1080, 1212, 1315, 1515, 1578, 1818, 2020, 2104, 2367, 2424, 2630, 2727, 3030, 3156, 3636, 3945, 4040, 4545, 4734, 5260, 5454, 6060, 6312, 7101, 7272, 7890, 9090, 9468, 10520, 10908, 11835, 12120, 13635, 14202, 15780, 18180, 18936, 21816, 23670, 26563, 27270, 28404, 31560, 35505, 36360, 47340, 53126, 54540, 56808, 71010, 79689, 94680, 106252, 109080, 132815, 142020, 159378, 212504, 239067, 265630, 284040, 318756, 398445, 478134, 531260, 637512, 717201, 796890, 956268, 1062520, 1195335, 1434402, 1593780, 1912536, 2390670, 2868804, 3187560, 3586005, 4781340, 5737608, 7172010, 9562680, 14344020, 28688040]

約数ペア:

[(1, 28688040), (2, 14344020), (3, 9562680), (4, 7172010), (5, 5737608), (6, 4781340), (8, 3586005), (9, 3187560), (10, 2868804), (12, 2390670), (15, 1912536), (18, 1593780), (20, 1434402), (24, 1195335), (27, 1062520), (30, 956268), (36, 796890), (40, 717201), (45, 637512), (54, 531260), (60, 478134), (72, 398445), (90, 318756), (101, 284040), (108, 265630), (120, 239067), (135, 212504), (180, 159378), (202, 142020), (216, 132815), (263, 109080), (270, 106252), (303, 94680), (360, 79689), (404, 71010), (505, 56808), (526, 54540), (540, 53126), (606, 47340), (789, 36360), (808, 35505), (909, 31560), (1010, 28404), (1052, 27270), (1080, 26563), (1212, 23670), (1315, 21816), (1515, 18936), (1578, 18180), (1818, 15780), (2020, 14202), (2104, 13635), (2367, 12120), (2424, 11835), (2630, 10908), (2727, 10520), (3030, 9468), (3156, 9090), (3636, 7890), (3945, 7272), (4040, 7101), (4545, 6312), (4734, 6060), (5260, 5454)]