1245490960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{30467}}^1$

素因数の和:30560

約数の個数: 80

約数和(自身を含む): 3354892416

約数和(自身を除く): 2109401456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 30467, 40880, 60934, 121868, 152335, 213269, 243736, 304670, 426538, 487472, 609340, 853076, 1066345, 1218680, 1706152, 2132690, 2224091, 2437360, 3412304, 4265380, 4448182, 8530760, 8896364, 11120455, 15568637, 17061520, 17792728, 22240910, 31137274, 35585456, 44481820, 62274548, 77843185, 88963640, 124549096, 155686370, 177927280, 249098192, 311372740, 622745480, 1245490960]

約数ペア:

[(1, 1245490960), (2, 622745480), (4, 311372740), (5, 249098192), (7, 177927280), (8, 155686370), (10, 124549096), (14, 88963640), (16, 77843185), (20, 62274548), (28, 44481820), (35, 35585456), (40, 31137274), (56, 22240910), (70, 17792728), (73, 17061520), (80, 15568637), (112, 11120455), (140, 8896364), (146, 8530760), (280, 4448182), (292, 4265380), (365, 3412304), (511, 2437360), (560, 2224091), (584, 2132690), (730, 1706152), (1022, 1218680), (1168, 1066345), (1460, 853076), (2044, 609340), (2555, 487472), (2920, 426538), (4088, 304670), (5110, 243736), (5840, 213269), (8176, 152335), (10220, 121868), (20440, 60934), (30467, 40880)]