7890459720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{459817}}^1$

素因数の和:459855

約数の個数: 128

約数和(自身を含む): 27809792640

約数和(自身を除く): 19919332920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 459817, 919634, 1379451, 1839268, 2299085, 2758902, 3678536, 4598170, 5057987, 5517804, 5977621, 6897255, 9196340, 10115974, 11035608, 11955242, 13794510, 15173961, 17932863, 18392680, 20231948, 23910484, 25289935, 27589020, 29888105, 30347922, 35865726, 40463896, 47820968, 50579870, 55178040, 59776210, 60695844, 65753831, 71731452, 75869805, 89664315, 101159740, 119552420, 121391688, 131507662, 143462904, 151739610, 179328630, 197261493, 202319480, 239104840, 263015324, 303479220, 328769155, 358657260, 394522986, 526030648, 606958440, 657538310, 717314520, 789045972, 986307465, 1315076620, 1578091944, 1972614930, 2630153240, 3945229860, 7890459720]

約数ペア:

[(1, 7890459720), (2, 3945229860), (3, 2630153240), (4, 1972614930), (5, 1578091944), (6, 1315076620), (8, 986307465), (10, 789045972), (11, 717314520), (12, 657538310), (13, 606958440), (15, 526030648), (20, 394522986), (22, 358657260), (24, 328769155), (26, 303479220), (30, 263015324), (33, 239104840), (39, 202319480), (40, 197261493), (44, 179328630), (52, 151739610), (55, 143462904), (60, 131507662), (65, 121391688), (66, 119552420), (78, 101159740), (88, 89664315), (104, 75869805), (110, 71731452), (120, 65753831), (130, 60695844), (132, 59776210), (143, 55178040), (156, 50579870), (165, 47820968), (195, 40463896), (220, 35865726), (260, 30347922), (264, 29888105), (286, 27589020), (312, 25289935), (330, 23910484), (390, 20231948), (429, 18392680), (440, 17932863), (520, 15173961), (572, 13794510), (660, 11955242), (715, 11035608), (780, 10115974), (858, 9196340), (1144, 6897255), (1320, 5977621), (1430, 5517804), (1560, 5057987), (1716, 4598170), (2145, 3678536), (2860, 2758902), (3432, 2299085), (4290, 1839268), (5720, 1379451), (8580, 919634), (17160, 459817)]