18777240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1273

約数の個数: 96

約数和(自身を含む): 62496720

約数和(自身を除く): 43719480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1213, 1290, 1548, 1720, 1935, 2426, 2580, 3096, 3639, 3870, 4852, 5160, 6065, 7278, 7740, 9704, 10917, 12130, 14556, 15480, 18195, 21834, 24260, 29112, 36390, 43668, 48520, 52159, 54585, 72780, 87336, 104318, 109170, 145560, 156477, 208636, 218340, 260795, 312954, 417272, 436680, 469431, 521590, 625908, 782385, 938862, 1043180, 1251816, 1564770, 1877724, 2086360, 2347155, 3129540, 3755448, 4694310, 6259080, 9388620, 18777240]

約数ペア:

[(1, 18777240), (2, 9388620), (3, 6259080), (4, 4694310), (5, 3755448), (6, 3129540), (8, 2347155), (9, 2086360), (10, 1877724), (12, 1564770), (15, 1251816), (18, 1043180), (20, 938862), (24, 782385), (30, 625908), (36, 521590), (40, 469431), (43, 436680), (45, 417272), (60, 312954), (72, 260795), (86, 218340), (90, 208636), (120, 156477), (129, 145560), (172, 109170), (180, 104318), (215, 87336), (258, 72780), (344, 54585), (360, 52159), (387, 48520), (430, 43668), (516, 36390), (645, 29112), (774, 24260), (860, 21834), (1032, 18195), (1213, 15480), (1290, 14556), (1548, 12130), (1720, 10917), (1935, 9704), (2426, 7740), (2580, 7278), (3096, 6065), (3639, 5160), (3870, 4852)]