181819440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 180

約数和(自身を含む): 671488272

約数和(自身を除く): 489668832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 2087, 2178, 2420, 2640, 2904, 3630, 3960, 4174, 4356, 4840, 5445, 5808, 6261, 7260, 7920, 8348, 8712, 9680, 10435, 10890, 12522, 14520, 16696, 17424, 18783, 20870, 21780, 22957, 25044, 29040, 31305, 33392, 37566, 41740, 43560, 45914, 50088, 62610, 68871, 75132, 83480, 87120, 91828, 93915, 100176, 114785, 125220, 137742, 150264, 166960, 183656, 187830, 206613, 229570, 250440, 252527, 275484, 300528, 344355, 367312, 375660, 413226, 459140, 500880, 505054, 550968, 688710, 751320, 757581, 826452, 918280, 1010108, 1033065, 1101936, 1262635, 1377420, 1502640, 1515162, 1652904, 1836560, 2020216, 2066130, 2272743, 2525270, 2754840, 3030324, 3305808, 3787905, 4040432, 4132260, 4545486, 5050540, 5509680, 6060648, 7575810, 8264520, 9090972, 10101080, 11363715, 12121296, 15151620, 16529040, 18181944, 20202160, 22727430, 30303240, 36363888, 45454860, 60606480, 90909720, 181819440]

約数ペア:

[(1, 181819440), (2, 90909720), (3, 60606480), (4, 45454860), (5, 36363888), (6, 30303240), (8, 22727430), (9, 20202160), (10, 18181944), (11, 16529040), (12, 15151620), (15, 12121296), (16, 11363715), (18, 10101080), (20, 9090972), (22, 8264520), (24, 7575810), (30, 6060648), (33, 5509680), (36, 5050540), (40, 4545486), (44, 4132260), (45, 4040432), (48, 3787905), (55, 3305808), (60, 3030324), (66, 2754840), (72, 2525270), (80, 2272743), (88, 2066130), (90, 2020216), (99, 1836560), (110, 1652904), (120, 1515162), (121, 1502640), (132, 1377420), (144, 1262635), (165, 1101936), (176, 1033065), (180, 1010108), (198, 918280), (220, 826452), (240, 757581), (242, 751320), (264, 688710), (330, 550968), (360, 505054), (363, 500880), (396, 459140), (440, 413226), (484, 375660), (495, 367312), (528, 344355), (605, 300528), (660, 275484), (720, 252527), (726, 250440), (792, 229570), (880, 206613), (968, 187830), (990, 183656), (1089, 166960), (1210, 150264), (1320, 137742), (1452, 125220), (1584, 114785), (1815, 100176), (1936, 93915), (1980, 91828), (2087, 87120), (2178, 83480), (2420, 75132), (2640, 68871), (2904, 62610), (3630, 50088), (3960, 45914), (4174, 43560), (4356, 41740), (4840, 37566), (5445, 33392), (5808, 31305), (6261, 29040), (7260, 25044), (7920, 22957), (8348, 21780), (8712, 20870), (9680, 18783), (10435, 17424), (10890, 16696), (12522, 14520)]