2151720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 7207200

約数和(自身を除く): 5055480

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, 139, 172, 180, 215, 258, 278, 344, 360, 387, 417, 430, 516, 556, 645, 695, 774, 834, 860, 1032, 1112, 1251, 1290, 1390, 1548, 1668, 1720, 1935, 2085, 2502, 2580, 2780, 3096, 3336, 3870, 4170, 5004, 5160, 5560, 5977, 6255, 7740, 8340, 10008, 11954, 12510, 15480, 16680, 17931, 23908, 25020, 29885, 35862, 47816, 50040, 53793, 59770, 71724, 89655, 107586, 119540, 143448, 179310, 215172, 239080, 268965, 358620, 430344, 537930, 717240, 1075860, 2151720]

約数ペア:

[(1, 2151720), (2, 1075860), (3, 717240), (4, 537930), (5, 430344), (6, 358620), (8, 268965), (9, 239080), (10, 215172), (12, 179310), (15, 143448), (18, 119540), (20, 107586), (24, 89655), (30, 71724), (36, 59770), (40, 53793), (43, 50040), (45, 47816), (60, 35862), (72, 29885), (86, 25020), (90, 23908), (120, 17931), (129, 16680), (139, 15480), (172, 12510), (180, 11954), (215, 10008), (258, 8340), (278, 7740), (344, 6255), (360, 5977), (387, 5560), (417, 5160), (430, 5004), (516, 4170), (556, 3870), (645, 3336), (695, 3096), (774, 2780), (834, 2580), (860, 2502), (1032, 2085), (1112, 1935), (1251, 1720), (1290, 1668), (1390, 1548)]