1220649920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1741}}^1$

素因数の和:2078

約数の個数: 112

約数和(自身を含む): 3334438848

約数和(自身を除く): 2113788928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 313, 320, 448, 560, 626, 1120, 1252, 1565, 1741, 2191, 2240, 2504, 3130, 3482, 4382, 5008, 6260, 6964, 8705, 8764, 10016, 10955, 12187, 12520, 13928, 17410, 17528, 20032, 21910, 24374, 25040, 27856, 34820, 35056, 43820, 48748, 50080, 55712, 60935, 69640, 70112, 87640, 97496, 100160, 111424, 121870, 139280, 140224, 175280, 194992, 243740, 278560, 350560, 389984, 487480, 544933, 557120, 701120, 779968, 974960, 1089866, 1949920, 2179732, 2724665, 3814531, 3899840, 4359464, 5449330, 7629062, 8718928, 10898660, 15258124, 17437856, 19072655, 21797320, 30516248, 34875712, 38145310, 43594640, 61032496, 76290620, 87189280, 122064992, 152581240, 174378560, 244129984, 305162480, 610324960, 1220649920]

約数ペア:

[(1, 1220649920), (2, 610324960), (4, 305162480), (5, 244129984), (7, 174378560), (8, 152581240), (10, 122064992), (14, 87189280), (16, 76290620), (20, 61032496), (28, 43594640), (32, 38145310), (35, 34875712), (40, 30516248), (56, 21797320), (64, 19072655), (70, 17437856), (80, 15258124), (112, 10898660), (140, 8718928), (160, 7629062), (224, 5449330), (280, 4359464), (313, 3899840), (320, 3814531), (448, 2724665), (560, 2179732), (626, 1949920), (1120, 1089866), (1252, 974960), (1565, 779968), (1741, 701120), (2191, 557120), (2240, 544933), (2504, 487480), (3130, 389984), (3482, 350560), (4382, 278560), (5008, 243740), (6260, 194992), (6964, 175280), (8705, 140224), (8764, 139280), (10016, 121870), (10955, 111424), (12187, 100160), (12520, 97496), (13928, 87640), (17410, 70112), (17528, 69640), (20032, 60935), (21910, 55712), (24374, 50080), (25040, 48748), (27856, 43820), (34820, 35056)]