15221163680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{98993}}^1$

素因数の和:99070

約数の個数: 72

約数和(自身を含む): 37157793876

約数和(自身を除く): 21936630196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 3844, 4805, 4960, 7688, 9610, 15376, 19220, 30752, 38440, 76880, 98993, 153760, 197986, 395972, 494965, 791944, 989930, 1583888, 1979860, 3068783, 3167776, 3959720, 6137566, 7919440, 12275132, 15343915, 15838880, 24550264, 30687830, 49100528, 61375660, 95132273, 98201056, 122751320, 190264546, 245502640, 380529092, 475661365, 491005280, 761058184, 951322730, 1522116368, 1902645460, 3044232736, 3805290920, 7610581840, 15221163680]

約数ペア:

[(1, 15221163680), (2, 7610581840), (4, 3805290920), (5, 3044232736), (8, 1902645460), (10, 1522116368), (16, 951322730), (20, 761058184), (31, 491005280), (32, 475661365), (40, 380529092), (62, 245502640), (80, 190264546), (124, 122751320), (155, 98201056), (160, 95132273), (248, 61375660), (310, 49100528), (496, 30687830), (620, 24550264), (961, 15838880), (992, 15343915), (1240, 12275132), (1922, 7919440), (2480, 6137566), (3844, 3959720), (4805, 3167776), (4960, 3068783), (7688, 1979860), (9610, 1583888), (15376, 989930), (19220, 791944), (30752, 494965), (38440, 395972), (76880, 197986), (98993, 153760)]