78316380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18917}}^1$

素因数の和:18955

約数の個数: 72

約数和(自身を含む): 247901472

約数和(自身を除く): 169585092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 18917, 37834, 56751, 75668, 94585, 113502, 170253, 189170, 227004, 283755, 340506, 378340, 435091, 567510, 681012, 851265, 870182, 1135020, 1305273, 1702530, 1740364, 2175455, 2610546, 3405060, 3915819, 4350910, 5221092, 6526365, 7831638, 8701820, 13052730, 15663276, 19579095, 26105460, 39158190, 78316380]

約数ペア:

[(1, 78316380), (2, 39158190), (3, 26105460), (4, 19579095), (5, 15663276), (6, 13052730), (9, 8701820), (10, 7831638), (12, 6526365), (15, 5221092), (18, 4350910), (20, 3915819), (23, 3405060), (30, 2610546), (36, 2175455), (45, 1740364), (46, 1702530), (60, 1305273), (69, 1135020), (90, 870182), (92, 851265), (115, 681012), (138, 567510), (180, 435091), (207, 378340), (230, 340506), (276, 283755), (345, 227004), (414, 189170), (460, 170253), (690, 113502), (828, 94585), (1035, 75668), (1380, 56751), (2070, 37834), (4140, 18917)]