631743960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 1952501760

約数和(自身を除く): 1320757800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 191, 215, 258, 344, 382, 430, 516, 573, 641, 645, 764, 860, 955, 1032, 1146, 1282, 1290, 1528, 1720, 1910, 1923, 2292, 2564, 2580, 2865, 3205, 3820, 3846, 4584, 5128, 5160, 5730, 6410, 7640, 7692, 8213, 9615, 11460, 12820, 15384, 16426, 19230, 22920, 24639, 25640, 27563, 32852, 38460, 41065, 49278, 55126, 65704, 76920, 82130, 82689, 98556, 110252, 122431, 123195, 137815, 164260, 165378, 197112, 220504, 244862, 246390, 275630, 328520, 330756, 367293, 413445, 489724, 492780, 551260, 612155, 661512, 734586, 826890, 979448, 985560, 1102520, 1224310, 1469172, 1653780, 1836465, 2448620, 2938344, 3307560, 3672930, 4897240, 5264533, 7345860, 10529066, 14691720, 15793599, 21058132, 26322665, 31587198, 42116264, 52645330, 63174396, 78967995, 105290660, 126348792, 157935990, 210581320, 315871980, 631743960]

約数ペア:

[(1, 631743960), (2, 315871980), (3, 210581320), (4, 157935990), (5, 126348792), (6, 105290660), (8, 78967995), (10, 63174396), (12, 52645330), (15, 42116264), (20, 31587198), (24, 26322665), (30, 21058132), (40, 15793599), (43, 14691720), (60, 10529066), (86, 7345860), (120, 5264533), (129, 4897240), (172, 3672930), (191, 3307560), (215, 2938344), (258, 2448620), (344, 1836465), (382, 1653780), (430, 1469172), (516, 1224310), (573, 1102520), (641, 985560), (645, 979448), (764, 826890), (860, 734586), (955, 661512), (1032, 612155), (1146, 551260), (1282, 492780), (1290, 489724), (1528, 413445), (1720, 367293), (1910, 330756), (1923, 328520), (2292, 275630), (2564, 246390), (2580, 244862), (2865, 220504), (3205, 197112), (3820, 165378), (3846, 164260), (4584, 137815), (5128, 123195), (5160, 122431), (5730, 110252), (6410, 98556), (7640, 82689), (7692, 82130), (8213, 76920), (9615, 65704), (11460, 55126), (12820, 49278), (15384, 41065), (16426, 38460), (19230, 32852), (22920, 27563), (24639, 25640)]