77181320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 182131200

約数和(自身を除く): 104949880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 929, 1240, 1340, 1858, 2077, 2680, 3716, 4154, 4645, 7432, 8308, 9290, 10385, 16616, 18580, 20770, 28799, 37160, 41540, 57598, 62243, 83080, 115196, 124486, 143995, 230392, 248972, 287990, 311215, 497944, 575980, 622430, 1151960, 1244860, 1929533, 2489720, 3859066, 7718132, 9647665, 15436264, 19295330, 38590660, 77181320]

約数ペア:

[(1, 77181320), (2, 38590660), (4, 19295330), (5, 15436264), (8, 9647665), (10, 7718132), (20, 3859066), (31, 2489720), (40, 1929533), (62, 1244860), (67, 1151960), (124, 622430), (134, 575980), (155, 497944), (248, 311215), (268, 287990), (310, 248972), (335, 230392), (536, 143995), (620, 124486), (670, 115196), (929, 83080), (1240, 62243), (1340, 57598), (1858, 41540), (2077, 37160), (2680, 28799), (3716, 20770), (4154, 18580), (4645, 16616), (7432, 10385), (8308, 9290)]