205565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4951}}^1$

素因数の和:5140

約数の個数: 80

約数和(自身を含む): 641066112

約数和(自身を除く): 435500592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 2768, 3460, 4152, 4951, 5190, 6920, 8304, 9902, 10380, 13840, 14853, 19804, 20760, 24755, 29706, 39608, 41520, 49510, 59412, 74265, 79216, 99020, 118824, 148530, 198040, 237648, 297060, 396080, 594120, 856523, 1188240, 1713046, 2569569, 3426092, 4282615, 5139138, 6852184, 8565230, 10278276, 12847845, 13704368, 17130460, 20556552, 25695690, 34260920, 41113104, 51391380, 68521840, 102782760, 205565520]

約数ペア:

[(1, 205565520), (2, 102782760), (3, 68521840), (4, 51391380), (5, 41113104), (6, 34260920), (8, 25695690), (10, 20556552), (12, 17130460), (15, 13704368), (16, 12847845), (20, 10278276), (24, 8565230), (30, 6852184), (40, 5139138), (48, 4282615), (60, 3426092), (80, 2569569), (120, 1713046), (173, 1188240), (240, 856523), (346, 594120), (519, 396080), (692, 297060), (865, 237648), (1038, 198040), (1384, 148530), (1730, 118824), (2076, 99020), (2595, 79216), (2768, 74265), (3460, 59412), (4152, 49510), (4951, 41520), (5190, 39608), (6920, 29706), (8304, 24755), (9902, 20760), (10380, 19804), (13840, 14853)]