230480280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{640223}}^1$

素因数の和:640240

約数の個数: 48

約数和(自身を含む): 749062080

約数和(自身を除く): 518581800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 640223, 1280446, 1920669, 2560892, 3201115, 3841338, 5121784, 5762007, 6402230, 7682676, 9603345, 11524014, 12804460, 15365352, 19206690, 23048028, 25608920, 28810035, 38413380, 46096056, 57620070, 76826760, 115240140, 230480280]

約数ペア:

[(1, 230480280), (2, 115240140), (3, 76826760), (4, 57620070), (5, 46096056), (6, 38413380), (8, 28810035), (9, 25608920), (10, 23048028), (12, 19206690), (15, 15365352), (18, 12804460), (20, 11524014), (24, 9603345), (30, 7682676), (36, 6402230), (40, 5762007), (45, 5121784), (60, 3841338), (72, 3201115), (90, 2560892), (120, 1920669), (180, 1280446), (360, 640223)]