7845840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 27942408

約数和(自身を除く): 20096568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 641, 680, 720, 765, 816, 1020, 1224, 1282, 1360, 1530, 1923, 2040, 2448, 2564, 3060, 3205, 3846, 4080, 5128, 5769, 6120, 6410, 7692, 9615, 10256, 10897, 11538, 12240, 12820, 15384, 19230, 21794, 23076, 25640, 28845, 30768, 32691, 38460, 43588, 46152, 51280, 54485, 57690, 65382, 76920, 87176, 92304, 98073, 108970, 115380, 130764, 153840, 163455, 174352, 196146, 217940, 230760, 261528, 326910, 392292, 435880, 461520, 490365, 523056, 653820, 784584, 871760, 980730, 1307640, 1569168, 1961460, 2615280, 3922920, 7845840]

約数ペア:

[(1, 7845840), (2, 3922920), (3, 2615280), (4, 1961460), (5, 1569168), (6, 1307640), (8, 980730), (9, 871760), (10, 784584), (12, 653820), (15, 523056), (16, 490365), (17, 461520), (18, 435880), (20, 392292), (24, 326910), (30, 261528), (34, 230760), (36, 217940), (40, 196146), (45, 174352), (48, 163455), (51, 153840), (60, 130764), (68, 115380), (72, 108970), (80, 98073), (85, 92304), (90, 87176), (102, 76920), (120, 65382), (136, 57690), (144, 54485), (153, 51280), (170, 46152), (180, 43588), (204, 38460), (240, 32691), (255, 30768), (272, 28845), (306, 25640), (340, 23076), (360, 21794), (408, 19230), (510, 15384), (612, 12820), (641, 12240), (680, 11538), (720, 10897), (765, 10256), (816, 9615), (1020, 7692), (1224, 6410), (1282, 6120), (1360, 5769), (1530, 5128), (1923, 4080), (2040, 3846), (2448, 3205), (2564, 3060)]