72613520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 194654208

約数和(自身を除く): 122040688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1021, 1270, 1778, 2032, 2042, 2540, 3556, 4084, 4445, 5080, 5105, 7112, 7147, 8168, 8890, 10160, 10210, 14224, 14294, 16336, 17780, 20420, 28588, 35560, 35735, 40840, 57176, 71120, 71470, 81680, 114352, 129667, 142940, 259334, 285880, 518668, 571760, 648335, 907669, 1037336, 1296670, 1815338, 2074672, 2593340, 3630676, 4538345, 5186680, 7261352, 9076690, 10373360, 14522704, 18153380, 36306760, 72613520]

約数ペア:

[(1, 72613520), (2, 36306760), (4, 18153380), (5, 14522704), (7, 10373360), (8, 9076690), (10, 7261352), (14, 5186680), (16, 4538345), (20, 3630676), (28, 2593340), (35, 2074672), (40, 1815338), (56, 1296670), (70, 1037336), (80, 907669), (112, 648335), (127, 571760), (140, 518668), (254, 285880), (280, 259334), (508, 142940), (560, 129667), (635, 114352), (889, 81680), (1016, 71470), (1021, 71120), (1270, 57176), (1778, 40840), (2032, 35735), (2042, 35560), (2540, 28588), (3556, 20420), (4084, 17780), (4445, 16336), (5080, 14294), (5105, 14224), (7112, 10210), (7147, 10160), (8168, 8890)]