1258502720

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44189}}^1$

素因数の和:44295

約数の個数: 56

約数和(自身を含む): 3030550200

約数和(自身を除く): 1772047480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480, 44189, 88378, 176756, 220945, 353512, 441890, 707024, 883780, 1414048, 1767560, 2828096, 3535120, 3932821, 7070240, 7865642, 14140480, 15731284, 19664105, 31462568, 39328210, 62925136, 78656420, 125850272, 157312840, 251700544, 314625680, 629251360, 1258502720]

約数ペア:

[(1, 1258502720), (2, 629251360), (4, 314625680), (5, 251700544), (8, 157312840), (10, 125850272), (16, 78656420), (20, 62925136), (32, 39328210), (40, 31462568), (64, 19664105), (80, 15731284), (89, 14140480), (160, 7865642), (178, 7070240), (320, 3932821), (356, 3535120), (445, 2828096), (712, 1767560), (890, 1414048), (1424, 883780), (1780, 707024), (2848, 441890), (3560, 353512), (5696, 220945), (7120, 176756), (14240, 88378), (28480, 44189)]