81527760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113233}}^1$

素因数の和:113252

約数の個数: 60

約数和(自身を含む): 273799812

約数和(自身を除く): 192272052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113233, 226466, 339699, 452932, 566165, 679398, 905864, 1019097, 1132330, 1358796, 1698495, 1811728, 2038194, 2264660, 2717592, 3396990, 4076388, 4529320, 5095485, 5435184, 6793980, 8152776, 9058640, 10190970, 13587960, 16305552, 20381940, 27175920, 40763880, 81527760]

約数ペア:

[(1, 81527760), (2, 40763880), (3, 27175920), (4, 20381940), (5, 16305552), (6, 13587960), (8, 10190970), (9, 9058640), (10, 8152776), (12, 6793980), (15, 5435184), (16, 5095485), (18, 4529320), (20, 4076388), (24, 3396990), (30, 2717592), (36, 2264660), (40, 2038194), (45, 1811728), (48, 1698495), (60, 1358796), (72, 1132330), (80, 1019097), (90, 905864), (120, 679398), (144, 566165), (180, 452932), (240, 339699), (360, 226466), (720, 113233)]