121160720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1120

約数の個数: 80

約数和(自身を含む): 300576000

約数和(自身を除く): 179415280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 790, 1009, 1264, 1501, 1520, 1580, 2018, 3002, 3160, 4036, 5045, 6004, 6320, 7505, 8072, 10090, 12008, 15010, 16144, 19171, 20180, 24016, 30020, 38342, 40360, 60040, 76684, 79711, 80720, 95855, 120080, 153368, 159422, 191710, 306736, 318844, 383420, 398555, 637688, 766840, 797110, 1275376, 1514509, 1533680, 1594220, 3029018, 3188440, 6058036, 6376880, 7572545, 12116072, 15145090, 24232144, 30290180, 60580360, 121160720]

約数ペア:

[(1, 121160720), (2, 60580360), (4, 30290180), (5, 24232144), (8, 15145090), (10, 12116072), (16, 7572545), (19, 6376880), (20, 6058036), (38, 3188440), (40, 3029018), (76, 1594220), (79, 1533680), (80, 1514509), (95, 1275376), (152, 797110), (158, 766840), (190, 637688), (304, 398555), (316, 383420), (380, 318844), (395, 306736), (632, 191710), (760, 159422), (790, 153368), (1009, 120080), (1264, 95855), (1501, 80720), (1520, 79711), (1580, 76684), (2018, 60040), (3002, 40360), (3160, 38342), (4036, 30020), (5045, 24016), (6004, 20180), (6320, 19171), (7505, 16144), (8072, 15010), (10090, 12008)]