518259420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{977}}^1$

素因数の和:1420

約数の個数: 144

約数和(自身を含む): 1802743488

約数和(自身を除く): 1284484068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 421, 630, 842, 977, 1260, 1263, 1684, 1954, 2105, 2526, 2931, 2947, 3789, 3908, 4210, 4885, 5052, 5862, 5894, 6315, 6839, 7578, 8420, 8793, 8841, 9770, 11724, 11788, 12630, 13678, 14655, 14735, 15156, 17586, 17682, 18945, 19540, 20517, 25260, 26523, 27356, 29310, 29470, 34195, 35172, 35364, 37890, 41034, 43965, 44205, 53046, 58620, 58940, 61551, 68390, 75780, 82068, 87930, 88410, 102585, 106092, 123102, 132615, 136780, 175860, 176820, 205170, 246204, 265230, 307755, 410340, 411317, 530460, 615510, 822634, 1231020, 1233951, 1645268, 2056585, 2467902, 2879219, 3701853, 4113170, 4935804, 5758438, 6169755, 7403706, 8226340, 8637657, 11516876, 12339510, 14396095, 14807412, 17275314, 18509265, 24679020, 25912971, 28792190, 34550628, 37018530, 43188285, 51825942, 57584380, 74037060, 86376570, 103651884, 129564855, 172753140, 259129710, 518259420]

約数ペア:

[(1, 518259420), (2, 259129710), (3, 172753140), (4, 129564855), (5, 103651884), (6, 86376570), (7, 74037060), (9, 57584380), (10, 51825942), (12, 43188285), (14, 37018530), (15, 34550628), (18, 28792190), (20, 25912971), (21, 24679020), (28, 18509265), (30, 17275314), (35, 14807412), (36, 14396095), (42, 12339510), (45, 11516876), (60, 8637657), (63, 8226340), (70, 7403706), (84, 6169755), (90, 5758438), (105, 4935804), (126, 4113170), (140, 3701853), (180, 2879219), (210, 2467902), (252, 2056585), (315, 1645268), (420, 1233951), (421, 1231020), (630, 822634), (842, 615510), (977, 530460), (1260, 411317), (1263, 410340), (1684, 307755), (1954, 265230), (2105, 246204), (2526, 205170), (2931, 176820), (2947, 175860), (3789, 136780), (3908, 132615), (4210, 123102), (4885, 106092), (5052, 102585), (5862, 88410), (5894, 87930), (6315, 82068), (6839, 75780), (7578, 68390), (8420, 61551), (8793, 58940), (8841, 58620), (9770, 53046), (11724, 44205), (11788, 43965), (12630, 41034), (13678, 37890), (14655, 35364), (14735, 35172), (15156, 34195), (17586, 29470), (17682, 29310), (18945, 27356), (19540, 26523), (20517, 25260)]