312080080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2753}}^1$

素因数の和:2888

約数の個数: 80

約数和(自身を含む): 788855760

約数和(自身を除く): 476775680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2753, 2834, 4360, 5506, 5668, 7085, 8720, 11012, 11336, 13765, 14170, 22024, 22672, 27530, 28340, 35789, 44048, 55060, 56680, 71578, 110120, 113360, 143156, 178945, 220240, 286312, 300077, 357890, 572624, 600154, 715780, 1200308, 1431560, 1500385, 2400616, 2863120, 3000770, 3901001, 4801232, 6001540, 7802002, 12003080, 15604004, 19505005, 24006160, 31208008, 39010010, 62416016, 78020020, 156040040, 312080080]

約数ペア:

[(1, 312080080), (2, 156040040), (4, 78020020), (5, 62416016), (8, 39010010), (10, 31208008), (13, 24006160), (16, 19505005), (20, 15604004), (26, 12003080), (40, 7802002), (52, 6001540), (65, 4801232), (80, 3901001), (104, 3000770), (109, 2863120), (130, 2400616), (208, 1500385), (218, 1431560), (260, 1200308), (436, 715780), (520, 600154), (545, 572624), (872, 357890), (1040, 300077), (1090, 286312), (1417, 220240), (1744, 178945), (2180, 143156), (2753, 113360), (2834, 110120), (4360, 71578), (5506, 56680), (5668, 55060), (7085, 44048), (8720, 35789), (11012, 28340), (11336, 27530), (13765, 22672), (14170, 22024)]