16512156920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3389}}^1\times {\mathrm{17401}}^1$

素因数の和:20808

約数の個数: 64

約数和(自身を含む): 42474801600

約数和(自身を除く): 25962644680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3389, 6778, 13556, 16945, 17401, 23723, 27112, 33890, 34802, 47446, 67780, 69604, 87005, 94892, 118615, 121807, 135560, 139208, 174010, 189784, 237230, 243614, 348020, 474460, 487228, 609035, 696040, 948920, 974456, 1218070, 2436140, 4872280, 58971989, 117943978, 235887956, 294859945, 412803923, 471775912, 589719890, 825607846, 1179439780, 1651215692, 2064019615, 2358879560, 3302431384, 4128039230, 8256078460, 16512156920]

約数ペア:

[(1, 16512156920), (2, 8256078460), (4, 4128039230), (5, 3302431384), (7, 2358879560), (8, 2064019615), (10, 1651215692), (14, 1179439780), (20, 825607846), (28, 589719890), (35, 471775912), (40, 412803923), (56, 294859945), (70, 235887956), (140, 117943978), (280, 58971989), (3389, 4872280), (6778, 2436140), (13556, 1218070), (16945, 974456), (17401, 948920), (23723, 696040), (27112, 609035), (33890, 487228), (34802, 474460), (47446, 348020), (67780, 243614), (69604, 237230), (87005, 189784), (94892, 174010), (118615, 139208), (121807, 135560)]