72986680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 178799040

約数和(自身を除く): 105812360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1447, 1940, 2522, 2894, 3880, 5044, 5788, 6305, 7235, 10088, 11576, 12610, 14470, 18811, 25220, 28940, 37622, 50440, 57880, 75244, 94055, 140359, 150488, 188110, 280718, 376220, 561436, 701795, 752440, 1122872, 1403590, 1824667, 2807180, 3649334, 5614360, 7298668, 9123335, 14597336, 18246670, 36493340, 72986680]

約数ペア:

[(1, 72986680), (2, 36493340), (4, 18246670), (5, 14597336), (8, 9123335), (10, 7298668), (13, 5614360), (20, 3649334), (26, 2807180), (40, 1824667), (52, 1403590), (65, 1122872), (97, 752440), (104, 701795), (130, 561436), (194, 376220), (260, 280718), (388, 188110), (485, 150488), (520, 140359), (776, 94055), (970, 75244), (1261, 57880), (1447, 50440), (1940, 37622), (2522, 28940), (2894, 25220), (3880, 18811), (5044, 14470), (5788, 12610), (6305, 11576), (7235, 10088)]