18902691960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1\times {\mathrm{733}}^1$

素因数の和:1749

約数の個数: 128

約数和(自身を含む): 57050472960

約数和(自身を除く): 38147781000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 691, 733, 933, 1244, 1382, 1466, 1555, 1866, 2073, 2199, 2488, 2764, 2932, 3110, 3455, 3665, 3732, 4146, 4398, 4665, 5528, 5864, 6220, 6910, 7330, 7464, 8292, 8796, 9330, 10365, 10995, 12440, 13820, 14660, 16584, 17592, 18660, 20730, 21990, 27640, 29320, 37320, 41460, 43980, 82920, 87960, 214901, 227963, 429802, 455926, 506503, 644703, 683889, 859604, 911852, 1013006, 1074505, 1139815, 1289406, 1367778, 1519509, 1719208, 1823704, 2026012, 2149010, 2279630, 2532515, 2578812, 2735556, 3039018, 3223515, 3419445, 4052024, 4298020, 4559260, 5065030, 5157624, 5471112, 6078036, 6447030, 6838890, 7597545, 8596040, 9118520, 10130060, 12156072, 12894060, 13677780, 15195090, 20260120, 25788120, 27355560, 30390180, 60780360, 157522433, 315044866, 472567299, 630089732, 787612165, 945134598, 1260179464, 1575224330, 1890269196, 2362836495, 3150448660, 3780538392, 4725672990, 6300897320, 9451345980, 18902691960]

約数ペア:

[(1, 18902691960), (2, 9451345980), (3, 6300897320), (4, 4725672990), (5, 3780538392), (6, 3150448660), (8, 2362836495), (10, 1890269196), (12, 1575224330), (15, 1260179464), (20, 945134598), (24, 787612165), (30, 630089732), (40, 472567299), (60, 315044866), (120, 157522433), (311, 60780360), (622, 30390180), (691, 27355560), (733, 25788120), (933, 20260120), (1244, 15195090), (1382, 13677780), (1466, 12894060), (1555, 12156072), (1866, 10130060), (2073, 9118520), (2199, 8596040), (2488, 7597545), (2764, 6838890), (2932, 6447030), (3110, 6078036), (3455, 5471112), (3665, 5157624), (3732, 5065030), (4146, 4559260), (4398, 4298020), (4665, 4052024), (5528, 3419445), (5864, 3223515), (6220, 3039018), (6910, 2735556), (7330, 2578812), (7464, 2532515), (8292, 2279630), (8796, 2149010), (9330, 2026012), (10365, 1823704), (10995, 1719208), (12440, 1519509), (13820, 1367778), (14660, 1289406), (16584, 1139815), (17592, 1074505), (18660, 1013006), (20730, 911852), (21990, 859604), (27640, 683889), (29320, 644703), (37320, 506503), (41460, 455926), (43980, 429802), (82920, 227963), (87960, 214901)]