123444720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3532

約数の個数: 180

約数和(自身を含む): 482391000

約数和(自身を除く): 358946280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3499, 3528, 3920, 4410, 5040, 5880, 6998, 7056, 8820, 10497, 11760, 13996, 17495, 17640, 20994, 24493, 27992, 31491, 34990, 35280, 41988, 48986, 52485, 55984, 62982, 69980, 73479, 83976, 97972, 104970, 122465, 125964, 139960, 146958, 157455, 167952, 171451, 195944, 209940, 220437, 244930, 251928, 279920, 293916, 314910, 342902, 367395, 391888, 419880, 440874, 489860, 503856, 514353, 587832, 629820, 685804, 734790, 839760, 857255, 881748, 979720, 1028706, 1102185, 1175664, 1259640, 1371608, 1469580, 1543059, 1714510, 1763496, 1959440, 2057412, 2204370, 2519280, 2571765, 2743216, 2939160, 3086118, 3429020, 3526992, 4114824, 4408740, 5143530, 5878320, 6172236, 6858040, 7715295, 8229648, 8817480, 10287060, 12344472, 13716080, 15430590, 17634960, 20574120, 24688944, 30861180, 41148240, 61722360, 123444720]

約数ペア:

[(1, 123444720), (2, 61722360), (3, 41148240), (4, 30861180), (5, 24688944), (6, 20574120), (7, 17634960), (8, 15430590), (9, 13716080), (10, 12344472), (12, 10287060), (14, 8817480), (15, 8229648), (16, 7715295), (18, 6858040), (20, 6172236), (21, 5878320), (24, 5143530), (28, 4408740), (30, 4114824), (35, 3526992), (36, 3429020), (40, 3086118), (42, 2939160), (45, 2743216), (48, 2571765), (49, 2519280), (56, 2204370), (60, 2057412), (63, 1959440), (70, 1763496), (72, 1714510), (80, 1543059), (84, 1469580), (90, 1371608), (98, 1259640), (105, 1175664), (112, 1102185), (120, 1028706), (126, 979720), (140, 881748), (144, 857255), (147, 839760), (168, 734790), (180, 685804), (196, 629820), (210, 587832), (240, 514353), (245, 503856), (252, 489860), (280, 440874), (294, 419880), (315, 391888), (336, 367395), (360, 342902), (392, 314910), (420, 293916), (441, 279920), (490, 251928), (504, 244930), (560, 220437), (588, 209940), (630, 195944), (720, 171451), (735, 167952), (784, 157455), (840, 146958), (882, 139960), (980, 125964), (1008, 122465), (1176, 104970), (1260, 97972), (1470, 83976), (1680, 73479), (1764, 69980), (1960, 62982), (2205, 55984), (2352, 52485), (2520, 48986), (2940, 41988), (3499, 35280), (3528, 34990), (3920, 31491), (4410, 27992), (5040, 24493), (5880, 20994), (6998, 17640), (7056, 17495), (8820, 13996), (10497, 11760)]