1556552880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30449}}^1$

素因数の和:30539

約数の個数: 120

約数和(自身を含む): 5301223200

約数和(自身を除く): 3744670320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 30449, 51120, 60898, 91347, 121796, 152245, 182694, 243592, 274041, 304490, 365388, 456735, 487184, 548082, 608980, 730776, 913470, 1096164, 1217960, 1370205, 1461552, 1826940, 2161879, 2192328, 2435920, 2740410, 3653880, 4323758, 4384656, 5480820, 6485637, 7307760, 8647516, 10809395, 10961640, 12971274, 17295032, 19456911, 21618790, 21923280, 25942548, 32428185, 34590064, 38913822, 43237580, 51885096, 64856370, 77827644, 86475160, 97284555, 103770192, 129712740, 155655288, 172950320, 194569110, 259425480, 311310576, 389138220, 518850960, 778276440, 1556552880]

約数ペア:

[(1, 1556552880), (2, 778276440), (3, 518850960), (4, 389138220), (5, 311310576), (6, 259425480), (8, 194569110), (9, 172950320), (10, 155655288), (12, 129712740), (15, 103770192), (16, 97284555), (18, 86475160), (20, 77827644), (24, 64856370), (30, 51885096), (36, 43237580), (40, 38913822), (45, 34590064), (48, 32428185), (60, 25942548), (71, 21923280), (72, 21618790), (80, 19456911), (90, 17295032), (120, 12971274), (142, 10961640), (144, 10809395), (180, 8647516), (213, 7307760), (240, 6485637), (284, 5480820), (355, 4384656), (360, 4323758), (426, 3653880), (568, 2740410), (639, 2435920), (710, 2192328), (720, 2161879), (852, 1826940), (1065, 1461552), (1136, 1370205), (1278, 1217960), (1420, 1096164), (1704, 913470), (2130, 730776), (2556, 608980), (2840, 548082), (3195, 487184), (3408, 456735), (4260, 365388), (5112, 304490), (5680, 274041), (6390, 243592), (8520, 182694), (10224, 152245), (12780, 121796), (17040, 91347), (25560, 60898), (30449, 51120)]