80905860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9173}}^1$

素因数の和:9202

約数の個数: 108

約数和(自身を含む): 285513228

約数和(自身を除く): 204607368

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9173, 18346, 27519, 36692, 45865, 55038, 64211, 82557, 91730, 110076, 128422, 137595, 165114, 183460, 192633, 256844, 275190, 321055, 330228, 385266, 412785, 449477, 550380, 577899, 642110, 770532, 825570, 898954, 963165, 1155798, 1284220, 1348431, 1651140, 1797908, 1926330, 2247385, 2311596, 2696862, 2889495, 3852660, 4045293, 4494770, 5393724, 5778990, 6742155, 8090586, 8989540, 11557980, 13484310, 16181172, 20226465, 26968620, 40452930, 80905860]

約数ペア:

[(1, 80905860), (2, 40452930), (3, 26968620), (4, 20226465), (5, 16181172), (6, 13484310), (7, 11557980), (9, 8989540), (10, 8090586), (12, 6742155), (14, 5778990), (15, 5393724), (18, 4494770), (20, 4045293), (21, 3852660), (28, 2889495), (30, 2696862), (35, 2311596), (36, 2247385), (42, 1926330), (45, 1797908), (49, 1651140), (60, 1348431), (63, 1284220), (70, 1155798), (84, 963165), (90, 898954), (98, 825570), (105, 770532), (126, 642110), (140, 577899), (147, 550380), (180, 449477), (196, 412785), (210, 385266), (245, 330228), (252, 321055), (294, 275190), (315, 256844), (420, 192633), (441, 183460), (490, 165114), (588, 137595), (630, 128422), (735, 110076), (882, 91730), (980, 82557), (1260, 64211), (1470, 55038), (1764, 45865), (2205, 36692), (2940, 27519), (4410, 18346), (8820, 9173)]