142538240

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4319

約数の個数: 80

約数和(自身を含む): 368132688

約数和(自身を除く): 225594448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4283, 6656, 8320, 8566, 16640, 17132, 21415, 33280, 34264, 42830, 55679, 68528, 85660, 111358, 137056, 171320, 222716, 274112, 278395, 342640, 445432, 548224, 556790, 685280, 890864, 1096448, 1113580, 1370560, 1781728, 2192896, 2227160, 2741120, 3563456, 4454320, 5482240, 7126912, 8908640, 10964480, 14253824, 17817280, 28507648, 35634560, 71269120, 142538240]

約数ペア:

[(1, 142538240), (2, 71269120), (4, 35634560), (5, 28507648), (8, 17817280), (10, 14253824), (13, 10964480), (16, 8908640), (20, 7126912), (26, 5482240), (32, 4454320), (40, 3563456), (52, 2741120), (64, 2227160), (65, 2192896), (80, 1781728), (104, 1370560), (128, 1113580), (130, 1096448), (160, 890864), (208, 685280), (256, 556790), (260, 548224), (320, 445432), (416, 342640), (512, 278395), (520, 274112), (640, 222716), (832, 171320), (1040, 137056), (1280, 111358), (1664, 85660), (2080, 68528), (2560, 55679), (3328, 42830), (4160, 34264), (4283, 33280), (6656, 21415), (8320, 17132), (8566, 16640)]