164421810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{260987}}^1$

素因数の和:261007

約数の個数: 48

約数和(自身を含む): 488569536

約数和(自身を除く): 324147726

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 260987, 521974, 782961, 1304935, 1565922, 1826909, 2348883, 2609870, 3653818, 3914805, 4697766, 5480727, 7829610, 9134545, 10961454, 11744415, 16442181, 18269090, 23488830, 27403635, 32884362, 54807270, 82210905, 164421810]

約数ペア:

[(1, 164421810), (2, 82210905), (3, 54807270), (5, 32884362), (6, 27403635), (7, 23488830), (9, 18269090), (10, 16442181), (14, 11744415), (15, 10961454), (18, 9134545), (21, 7829610), (30, 5480727), (35, 4697766), (42, 3914805), (45, 3653818), (63, 2609870), (70, 2348883), (90, 1826909), (105, 1565922), (126, 1304935), (210, 782961), (315, 521974), (630, 260987)]