208169640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11801}}^1$

素因数の和:11832

約数の個数: 144

約数和(自身を含む): 787075380

約数和(自身を除く): 578905740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11801, 17640, 23602, 35403, 47204, 59005, 70806, 82607, 94408, 106209, 118010, 141612, 165214, 177015, 212418, 236020, 247821, 283224, 330428, 354030, 413035, 424836, 472040, 495642, 531045, 578249, 660856, 708060, 743463, 826070, 849672, 991284, 1062090, 1156498, 1239105, 1416120, 1486926, 1652140, 1734747, 1982568, 2124180, 2312996, 2478210, 2891245, 2973852, 3304280, 3469494, 3717315, 4248360, 4625992, 4956420, 5204241, 5782490, 5947704, 6938988, 7434630, 8673735, 9912840, 10408482, 11564980, 13877976, 14869260, 17347470, 20816964, 23129960, 26021205, 29738520, 34694940, 41633928, 52042410, 69389880, 104084820, 208169640]

約数ペア:

[(1, 208169640), (2, 104084820), (3, 69389880), (4, 52042410), (5, 41633928), (6, 34694940), (7, 29738520), (8, 26021205), (9, 23129960), (10, 20816964), (12, 17347470), (14, 14869260), (15, 13877976), (18, 11564980), (20, 10408482), (21, 9912840), (24, 8673735), (28, 7434630), (30, 6938988), (35, 5947704), (36, 5782490), (40, 5204241), (42, 4956420), (45, 4625992), (49, 4248360), (56, 3717315), (60, 3469494), (63, 3304280), (70, 2973852), (72, 2891245), (84, 2478210), (90, 2312996), (98, 2124180), (105, 1982568), (120, 1734747), (126, 1652140), (140, 1486926), (147, 1416120), (168, 1239105), (180, 1156498), (196, 1062090), (210, 991284), (245, 849672), (252, 826070), (280, 743463), (294, 708060), (315, 660856), (360, 578249), (392, 531045), (420, 495642), (441, 472040), (490, 424836), (504, 413035), (588, 354030), (630, 330428), (735, 283224), (840, 247821), (882, 236020), (980, 212418), (1176, 177015), (1260, 165214), (1470, 141612), (1764, 118010), (1960, 106209), (2205, 94408), (2520, 82607), (2940, 70806), (3528, 59005), (4410, 47204), (5880, 35403), (8820, 23602), (11801, 17640)]