31151820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4363}}^1$

素因数の和:4399

約数の個数: 96

約数和(自身を含む): 105573888

約数和(自身を除く): 74422068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4363, 7140, 8726, 13089, 17452, 21815, 26178, 30541, 43630, 52356, 61082, 65445, 74171, 87260, 91623, 122164, 130890, 148342, 152705, 183246, 222513, 261780, 296684, 305410, 366492, 370855, 445026, 458115, 519197, 610820, 741710, 890052, 916230, 1038394, 1112565, 1483420, 1557591, 1832460, 2076788, 2225130, 2595985, 3115182, 4450260, 5191970, 6230364, 7787955, 10383940, 15575910, 31151820]

約数ペア:

[(1, 31151820), (2, 15575910), (3, 10383940), (4, 7787955), (5, 6230364), (6, 5191970), (7, 4450260), (10, 3115182), (12, 2595985), (14, 2225130), (15, 2076788), (17, 1832460), (20, 1557591), (21, 1483420), (28, 1112565), (30, 1038394), (34, 916230), (35, 890052), (42, 741710), (51, 610820), (60, 519197), (68, 458115), (70, 445026), (84, 370855), (85, 366492), (102, 305410), (105, 296684), (119, 261780), (140, 222513), (170, 183246), (204, 152705), (210, 148342), (238, 130890), (255, 122164), (340, 91623), (357, 87260), (420, 74171), (476, 65445), (510, 61082), (595, 52356), (714, 43630), (1020, 30541), (1190, 26178), (1428, 21815), (1785, 17452), (2380, 13089), (3570, 8726), (4363, 7140)]