311401320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{55213}}^1$

素因数の和:55274

約数の個数: 64

約数和(自身を含む): 954097920

約数和(自身を除く): 642696600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 55213, 110426, 165639, 220852, 276065, 331278, 441704, 552130, 662556, 828195, 1104260, 1325112, 1656390, 2208520, 2595011, 3312780, 5190022, 6625560, 7785033, 10380044, 12975055, 15570066, 20760088, 25950110, 31140132, 38925165, 51900220, 62280264, 77850330, 103800440, 155700660, 311401320]

約数ペア:

[(1, 311401320), (2, 155700660), (3, 103800440), (4, 77850330), (5, 62280264), (6, 51900220), (8, 38925165), (10, 31140132), (12, 25950110), (15, 20760088), (20, 15570066), (24, 12975055), (30, 10380044), (40, 7785033), (47, 6625560), (60, 5190022), (94, 3312780), (120, 2595011), (141, 2208520), (188, 1656390), (235, 1325112), (282, 1104260), (376, 828195), (470, 662556), (564, 552130), (705, 441704), (940, 331278), (1128, 276065), (1410, 220852), (1880, 165639), (2820, 110426), (5640, 55213)]