78484120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13721}}^1$

素因数の和:13756

約数の個数: 64

約数和(自身を含む): 207476640

約数和(自身を除く): 128992520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13721, 27442, 54884, 68605, 109768, 137210, 150931, 178373, 274420, 301862, 356746, 548840, 603724, 713492, 754655, 891865, 1207448, 1426984, 1509310, 1783730, 1962103, 3018620, 3567460, 3924206, 6037240, 7134920, 7848412, 9810515, 15696824, 19621030, 39242060, 78484120]

約数ペア:

[(1, 78484120), (2, 39242060), (4, 19621030), (5, 15696824), (8, 9810515), (10, 7848412), (11, 7134920), (13, 6037240), (20, 3924206), (22, 3567460), (26, 3018620), (40, 1962103), (44, 1783730), (52, 1509310), (55, 1426984), (65, 1207448), (88, 891865), (104, 754655), (110, 713492), (130, 603724), (143, 548840), (220, 356746), (260, 301862), (286, 274420), (440, 178373), (520, 150931), (572, 137210), (715, 109768), (1144, 68605), (1430, 54884), (2860, 27442), (5720, 13721)]