77131720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3659}}^1$

素因数の和:3718

約数の個数: 64

約数和(自身を含む): 189734400

約数和(自身を除く): 112602680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 3659, 4216, 5270, 7318, 10540, 14636, 18295, 21080, 29272, 36590, 62203, 73180, 113429, 124406, 146360, 226858, 248812, 311015, 453716, 497624, 567145, 622030, 907432, 1134290, 1244060, 1928293, 2268580, 2488120, 3856586, 4537160, 7713172, 9641465, 15426344, 19282930, 38565860, 77131720]

約数ペア:

[(1, 77131720), (2, 38565860), (4, 19282930), (5, 15426344), (8, 9641465), (10, 7713172), (17, 4537160), (20, 3856586), (31, 2488120), (34, 2268580), (40, 1928293), (62, 1244060), (68, 1134290), (85, 907432), (124, 622030), (136, 567145), (155, 497624), (170, 453716), (248, 311015), (310, 248812), (340, 226858), (527, 146360), (620, 124406), (680, 113429), (1054, 73180), (1240, 62203), (2108, 36590), (2635, 29272), (3659, 21080), (4216, 18295), (5270, 14636), (7318, 10540)]