2178682020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{23143}}^1$

素因数の和:23681

約数の個数: 72

約数和(自身を含む): 6621590976

約数和(自身を除く): 4442908956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 523, 1046, 1569, 2092, 2615, 3138, 4707, 5230, 6276, 7845, 9414, 10460, 15690, 18828, 23143, 23535, 31380, 46286, 47070, 69429, 92572, 94140, 115715, 138858, 208287, 231430, 277716, 347145, 416574, 462860, 694290, 833148, 1041435, 1388580, 2082870, 4165740, 12103789, 24207578, 36311367, 48415156, 60518945, 72622734, 108934101, 121037890, 145245468, 181556835, 217868202, 242075780, 363113670, 435736404, 544670505, 726227340, 1089341010, 2178682020]

約数ペア:

[(1, 2178682020), (2, 1089341010), (3, 726227340), (4, 544670505), (5, 435736404), (6, 363113670), (9, 242075780), (10, 217868202), (12, 181556835), (15, 145245468), (18, 121037890), (20, 108934101), (30, 72622734), (36, 60518945), (45, 48415156), (60, 36311367), (90, 24207578), (180, 12103789), (523, 4165740), (1046, 2082870), (1569, 1388580), (2092, 1041435), (2615, 833148), (3138, 694290), (4707, 462860), (5230, 416574), (6276, 347145), (7845, 277716), (9414, 231430), (10460, 208287), (15690, 138858), (18828, 115715), (23143, 94140), (23535, 92572), (31380, 69429), (46286, 47070)]