205469820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 668697120

約数和(自身を除く): 463227300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 102, 153, 166, 170, 180, 204, 249, 255, 306, 332, 340, 415, 498, 510, 612, 747, 765, 809, 830, 996, 1020, 1245, 1411, 1494, 1530, 1618, 1660, 2427, 2490, 2822, 2988, 3060, 3236, 3735, 4045, 4233, 4854, 4980, 5644, 7055, 7281, 7470, 8090, 8466, 9708, 12135, 12699, 13753, 14110, 14562, 14940, 16180, 16932, 21165, 24270, 25398, 27506, 28220, 29124, 36405, 41259, 42330, 48540, 50796, 55012, 63495, 67147, 68765, 72810, 82518, 84660, 123777, 126990, 134294, 137530, 145620, 165036, 201441, 206295, 247554, 253980, 268588, 275060, 335735, 402882, 412590, 495108, 604323, 618885, 671470, 805764, 825180, 1007205, 1141499, 1208646, 1237770, 1342940, 2014410, 2282998, 2417292, 2475540, 3021615, 3424497, 4028820, 4565996, 5707495, 6043230, 6848994, 10273491, 11414990, 12086460, 13697988, 17122485, 20546982, 22829980, 34244970, 41093964, 51367455, 68489940, 102734910, 205469820]

約数ペア:

[(1, 205469820), (2, 102734910), (3, 68489940), (4, 51367455), (5, 41093964), (6, 34244970), (9, 22829980), (10, 20546982), (12, 17122485), (15, 13697988), (17, 12086460), (18, 11414990), (20, 10273491), (30, 6848994), (34, 6043230), (36, 5707495), (45, 4565996), (51, 4028820), (60, 3424497), (68, 3021615), (83, 2475540), (85, 2417292), (90, 2282998), (102, 2014410), (153, 1342940), (166, 1237770), (170, 1208646), (180, 1141499), (204, 1007205), (249, 825180), (255, 805764), (306, 671470), (332, 618885), (340, 604323), (415, 495108), (498, 412590), (510, 402882), (612, 335735), (747, 275060), (765, 268588), (809, 253980), (830, 247554), (996, 206295), (1020, 201441), (1245, 165036), (1411, 145620), (1494, 137530), (1530, 134294), (1618, 126990), (1660, 123777), (2427, 84660), (2490, 82518), (2822, 72810), (2988, 68765), (3060, 67147), (3236, 63495), (3735, 55012), (4045, 50796), (4233, 48540), (4854, 42330), (4980, 41259), (5644, 36405), (7055, 29124), (7281, 28220), (7470, 27506), (8090, 25398), (8466, 24270), (9708, 21165), (12135, 16932), (12699, 16180), (13753, 14940), (14110, 14562)]