16518040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 48107520

約数和(自身を除く): 31589480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 173, 217, 220, 248, 280, 308, 310, 341, 346, 385, 434, 440, 616, 620, 682, 692, 770, 865, 868, 1085, 1211, 1240, 1364, 1384, 1540, 1705, 1730, 1736, 1903, 2170, 2387, 2422, 2728, 3080, 3410, 3460, 3806, 4340, 4774, 4844, 5363, 6055, 6820, 6920, 7612, 8680, 9515, 9548, 9688, 10726, 11935, 12110, 13321, 13640, 15224, 19030, 19096, 21452, 23870, 24220, 26642, 26815, 37541, 38060, 42904, 47740, 48440, 53284, 53630, 58993, 66605, 75082, 76120, 95480, 106568, 107260, 117986, 133210, 150164, 187705, 214520, 235972, 266420, 294965, 300328, 375410, 412951, 471944, 532840, 589930, 750820, 825902, 1179860, 1501640, 1651804, 2064755, 2359720, 3303608, 4129510, 8259020, 16518040]

約数ペア:

[(1, 16518040), (2, 8259020), (4, 4129510), (5, 3303608), (7, 2359720), (8, 2064755), (10, 1651804), (11, 1501640), (14, 1179860), (20, 825902), (22, 750820), (28, 589930), (31, 532840), (35, 471944), (40, 412951), (44, 375410), (55, 300328), (56, 294965), (62, 266420), (70, 235972), (77, 214520), (88, 187705), (110, 150164), (124, 133210), (140, 117986), (154, 107260), (155, 106568), (173, 95480), (217, 76120), (220, 75082), (248, 66605), (280, 58993), (308, 53630), (310, 53284), (341, 48440), (346, 47740), (385, 42904), (434, 38060), (440, 37541), (616, 26815), (620, 26642), (682, 24220), (692, 23870), (770, 21452), (865, 19096), (868, 19030), (1085, 15224), (1211, 13640), (1240, 13321), (1364, 12110), (1384, 11935), (1540, 10726), (1705, 9688), (1730, 9548), (1736, 9515), (1903, 8680), (2170, 7612), (2387, 6920), (2422, 6820), (2728, 6055), (3080, 5363), (3410, 4844), (3460, 4774), (3806, 4340)]