2020262220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 6214440960

約数和(自身を除く): 4194178740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 239, 302, 311, 453, 478, 604, 622, 717, 755, 906, 933, 956, 1195, 1244, 1359, 1434, 1510, 1555, 1812, 1866, 2151, 2265, 2390, 2718, 2799, 2868, 3020, 3110, 3585, 3732, 4302, 4530, 4665, 4780, 5436, 5598, 6220, 6795, 7170, 8604, 9060, 9330, 10755, 11196, 13590, 13995, 14340, 18660, 21510, 27180, 27990, 36089, 43020, 46961, 55980, 72178, 74329, 93922, 108267, 140883, 144356, 148658, 180445, 187844, 216534, 222987, 234805, 281766, 297316, 324801, 360890, 371645, 422649, 433068, 445974, 469610, 541335, 563532, 649602, 668961, 704415, 721780, 743290, 845298, 891948, 939220, 1082670, 1114935, 1299204, 1337922, 1408830, 1486580, 1624005, 1690596, 2113245, 2165340, 2229870, 2675844, 2817660, 3248010, 3344805, 4226490, 4459740, 6496020, 6689610, 8452980, 11223679, 13379220, 22447358, 33671037, 44894716, 56118395, 67342074, 101013111, 112236790, 134684148, 168355185, 202026222, 224473580, 336710370, 404052444, 505065555, 673420740, 1010131110, 2020262220]

約数ペア:

[(1, 2020262220), (2, 1010131110), (3, 673420740), (4, 505065555), (5, 404052444), (6, 336710370), (9, 224473580), (10, 202026222), (12, 168355185), (15, 134684148), (18, 112236790), (20, 101013111), (30, 67342074), (36, 56118395), (45, 44894716), (60, 33671037), (90, 22447358), (151, 13379220), (180, 11223679), (239, 8452980), (302, 6689610), (311, 6496020), (453, 4459740), (478, 4226490), (604, 3344805), (622, 3248010), (717, 2817660), (755, 2675844), (906, 2229870), (933, 2165340), (956, 2113245), (1195, 1690596), (1244, 1624005), (1359, 1486580), (1434, 1408830), (1510, 1337922), (1555, 1299204), (1812, 1114935), (1866, 1082670), (2151, 939220), (2265, 891948), (2390, 845298), (2718, 743290), (2799, 721780), (2868, 704415), (3020, 668961), (3110, 649602), (3585, 563532), (3732, 541335), (4302, 469610), (4530, 445974), (4665, 433068), (4780, 422649), (5436, 371645), (5598, 360890), (6220, 324801), (6795, 297316), (7170, 281766), (8604, 234805), (9060, 222987), (9330, 216534), (10755, 187844), (11196, 180445), (13590, 148658), (13995, 144356), (14340, 140883), (18660, 108267), (21510, 93922), (27180, 74329), (27990, 72178), (36089, 55980), (43020, 46961)]