123220480

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:529

約数の個数: 80

約数和(自身を含む): 298552320

約数和(自身を除く): 175331840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 379, 508, 512, 635, 640, 758, 1016, 1270, 1280, 1516, 1895, 2032, 2540, 2560, 3032, 3790, 4064, 5080, 6064, 7580, 8128, 10160, 12128, 15160, 16256, 20320, 24256, 30320, 32512, 40640, 48133, 48512, 60640, 65024, 81280, 96266, 97024, 121280, 162560, 192532, 194048, 240665, 242560, 325120, 385064, 481330, 485120, 770128, 962660, 970240, 1540256, 1925320, 3080512, 3850640, 6161024, 7701280, 12322048, 15402560, 24644096, 30805120, 61610240, 123220480]

約数ペア:

[(1, 123220480), (2, 61610240), (4, 30805120), (5, 24644096), (8, 15402560), (10, 12322048), (16, 7701280), (20, 6161024), (32, 3850640), (40, 3080512), (64, 1925320), (80, 1540256), (127, 970240), (128, 962660), (160, 770128), (254, 485120), (256, 481330), (320, 385064), (379, 325120), (508, 242560), (512, 240665), (635, 194048), (640, 192532), (758, 162560), (1016, 121280), (1270, 97024), (1280, 96266), (1516, 81280), (1895, 65024), (2032, 60640), (2540, 48512), (2560, 48133), (3032, 40640), (3790, 32512), (4064, 30320), (5080, 24256), (6064, 20320), (7580, 16256), (8128, 15160), (10160, 12128)]