245050680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{291727}}^1$

素因数の和:291748

約数の個数: 64

約数和(自身を含む): 840176640

約数和(自身を除く): 595125960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 291727, 583454, 875181, 1166908, 1458635, 1750362, 2042089, 2333816, 2917270, 3500724, 4084178, 4375905, 5834540, 6126267, 7001448, 8168356, 8751810, 10210445, 11669080, 12252534, 16336712, 17503620, 20420890, 24505068, 30631335, 35007240, 40841780, 49010136, 61262670, 81683560, 122525340, 245050680]

約数ペア:

[(1, 245050680), (2, 122525340), (3, 81683560), (4, 61262670), (5, 49010136), (6, 40841780), (7, 35007240), (8, 30631335), (10, 24505068), (12, 20420890), (14, 17503620), (15, 16336712), (20, 12252534), (21, 11669080), (24, 10210445), (28, 8751810), (30, 8168356), (35, 7001448), (40, 6126267), (42, 5834540), (56, 4375905), (60, 4084178), (70, 3500724), (84, 2917270), (105, 2333816), (120, 2042089), (140, 1750362), (168, 1458635), (210, 1166908), (280, 875181), (420, 583454), (840, 291727)]