220320480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{881}}^1$

素因数の和:1420

約数の個数: 96

約数和(自身を含む): 696130848

約数和(自身を除く): 475810368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 521, 881, 1042, 1563, 1762, 2084, 2605, 2643, 3126, 3524, 4168, 4405, 5210, 5286, 6252, 7048, 7815, 8336, 8810, 10420, 10572, 12504, 13215, 14096, 15630, 16672, 17620, 20840, 21144, 25008, 26430, 28192, 31260, 35240, 41680, 42288, 50016, 52860, 62520, 70480, 83360, 84576, 105720, 125040, 140960, 211440, 250080, 422880, 459001, 918002, 1377003, 1836004, 2295005, 2754006, 3672008, 4590010, 5508012, 6885015, 7344016, 9180020, 11016024, 13770030, 14688032, 18360040, 22032048, 27540060, 36720080, 44064096, 55080120, 73440160, 110160240, 220320480]

約数ペア:

[(1, 220320480), (2, 110160240), (3, 73440160), (4, 55080120), (5, 44064096), (6, 36720080), (8, 27540060), (10, 22032048), (12, 18360040), (15, 14688032), (16, 13770030), (20, 11016024), (24, 9180020), (30, 7344016), (32, 6885015), (40, 5508012), (48, 4590010), (60, 3672008), (80, 2754006), (96, 2295005), (120, 1836004), (160, 1377003), (240, 918002), (480, 459001), (521, 422880), (881, 250080), (1042, 211440), (1563, 140960), (1762, 125040), (2084, 105720), (2605, 84576), (2643, 83360), (3126, 70480), (3524, 62520), (4168, 52860), (4405, 50016), (5210, 42288), (5286, 41680), (6252, 35240), (7048, 31260), (7815, 28192), (8336, 26430), (8810, 25008), (10420, 21144), (10572, 20840), (12504, 17620), (13215, 16672), (14096, 15630)]