1679790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 4861440

約数和(自身を除く): 3181650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 421, 570, 665, 798, 842, 1263, 1330, 1995, 2105, 2526, 2947, 3990, 4210, 5894, 6315, 7999, 8841, 12630, 14735, 15998, 17682, 23997, 29470, 39995, 44205, 47994, 55993, 79990, 88410, 111986, 119985, 167979, 239970, 279965, 335958, 559930, 839895, 1679790]

約数ペア:

[(1, 1679790), (2, 839895), (3, 559930), (5, 335958), (6, 279965), (7, 239970), (10, 167979), (14, 119985), (15, 111986), (19, 88410), (21, 79990), (30, 55993), (35, 47994), (38, 44205), (42, 39995), (57, 29470), (70, 23997), (95, 17682), (105, 15998), (114, 14735), (133, 12630), (190, 8841), (210, 7999), (266, 6315), (285, 5894), (399, 4210), (421, 3990), (570, 2947), (665, 2526), (798, 2105), (842, 1995), (1263, 1330)]