18820385280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{816857}}^1$

素因数の和:816886

約数の個数: 120

約数和(自身を含む): 65180367252

約数和(自身を除く): 46359981972

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 816857, 1633714, 2450571, 3267428, 4084285, 4901142, 6534856, 7351713, 8168570, 9802284, 12252855, 13069712, 14703426, 16337140, 19604568, 24505710, 26139424, 29406852, 32674280, 36758565, 39209136, 49011420, 52278848, 58813704, 65348560, 73517130, 78418272, 98022840, 104557696, 117627408, 130697120, 147034260, 156836544, 196045680, 209115392, 235254816, 261394240, 294068520, 313673088, 392091360, 418230784, 470509632, 522788480, 588137040, 627346176, 784182720, 941019264, 1045576960, 1176274080, 1254692352, 1568365440, 1882038528, 2091153920, 2352548160, 3136730880, 3764077056, 4705096320, 6273461760, 9410192640, 18820385280]

約数ペア:

[(1, 18820385280), (2, 9410192640), (3, 6273461760), (4, 4705096320), (5, 3764077056), (6, 3136730880), (8, 2352548160), (9, 2091153920), (10, 1882038528), (12, 1568365440), (15, 1254692352), (16, 1176274080), (18, 1045576960), (20, 941019264), (24, 784182720), (30, 627346176), (32, 588137040), (36, 522788480), (40, 470509632), (45, 418230784), (48, 392091360), (60, 313673088), (64, 294068520), (72, 261394240), (80, 235254816), (90, 209115392), (96, 196045680), (120, 156836544), (128, 147034260), (144, 130697120), (160, 117627408), (180, 104557696), (192, 98022840), (240, 78418272), (256, 73517130), (288, 65348560), (320, 58813704), (360, 52278848), (384, 49011420), (480, 39209136), (512, 36758565), (576, 32674280), (640, 29406852), (720, 26139424), (768, 24505710), (960, 19604568), (1152, 16337140), (1280, 14703426), (1440, 13069712), (1536, 12252855), (1920, 9802284), (2304, 8168570), (2560, 7351713), (2880, 6534856), (3840, 4901142), (4608, 4084285), (5760, 3267428), (7680, 2450571), (11520, 1633714), (23040, 816857)]