154668920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 416931840

約数和(自身を除く): 262262920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 103, 124, 140, 155, 173, 206, 217, 248, 280, 310, 346, 412, 434, 515, 620, 692, 721, 824, 865, 868, 1030, 1085, 1211, 1240, 1384, 1442, 1730, 1736, 2060, 2170, 2422, 2884, 3193, 3460, 3605, 4120, 4340, 4844, 5363, 5768, 6055, 6386, 6920, 7210, 8680, 9688, 10726, 12110, 12772, 14420, 15965, 17819, 21452, 22351, 24220, 25544, 26815, 28840, 31930, 35638, 37541, 42904, 44702, 48440, 53630, 63860, 71276, 75082, 89095, 89404, 107260, 111755, 124733, 127720, 142552, 150164, 178190, 178808, 187705, 214520, 223510, 249466, 300328, 356380, 375410, 447020, 498932, 552389, 623665, 712760, 750820, 894040, 997864, 1104778, 1247330, 1501640, 2209556, 2494660, 2761945, 3866723, 4419112, 4989320, 5523890, 7733446, 11047780, 15466892, 19333615, 22095560, 30933784, 38667230, 77334460, 154668920]

約数ペア:

[(1, 154668920), (2, 77334460), (4, 38667230), (5, 30933784), (7, 22095560), (8, 19333615), (10, 15466892), (14, 11047780), (20, 7733446), (28, 5523890), (31, 4989320), (35, 4419112), (40, 3866723), (56, 2761945), (62, 2494660), (70, 2209556), (103, 1501640), (124, 1247330), (140, 1104778), (155, 997864), (173, 894040), (206, 750820), (217, 712760), (248, 623665), (280, 552389), (310, 498932), (346, 447020), (412, 375410), (434, 356380), (515, 300328), (620, 249466), (692, 223510), (721, 214520), (824, 187705), (865, 178808), (868, 178190), (1030, 150164), (1085, 142552), (1211, 127720), (1240, 124733), (1384, 111755), (1442, 107260), (1730, 89404), (1736, 89095), (2060, 75082), (2170, 71276), (2422, 63860), (2884, 53630), (3193, 48440), (3460, 44702), (3605, 42904), (4120, 37541), (4340, 35638), (4844, 31930), (5363, 28840), (5768, 26815), (6055, 25544), (6386, 24220), (6920, 22351), (7210, 21452), (8680, 17819), (9688, 15965), (10726, 14420), (12110, 12772)]