205585920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{8923}}^1$

素因数の和:8952

約数の個数: 120

約数和(自身を含む): 712081656

約数和(自身を除く): 506495736

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, 8923, 11520, 17846, 23040, 26769, 35692, 44615, 53538, 71384, 80307, 89230, 107076, 133845, 142768, 160614, 178460, 214152, 267690, 285536, 321228, 356920, 401535, 428304, 535380, 571072, 642456, 713840, 803070, 856608, 1070760, 1142144, 1284912, 1427680, 1606140, 1713216, 2141520, 2284288, 2569824, 2855360, 3212280, 3426432, 4283040, 4568576, 5139648, 5710720, 6424560, 6852864, 8566080, 10279296, 11421440, 12849120, 13705728, 17132160, 20558592, 22842880, 25698240, 34264320, 41117184, 51396480, 68528640, 102792960, 205585920]

約数ペア:

[(1, 205585920), (2, 102792960), (3, 68528640), (4, 51396480), (5, 41117184), (6, 34264320), (8, 25698240), (9, 22842880), (10, 20558592), (12, 17132160), (15, 13705728), (16, 12849120), (18, 11421440), (20, 10279296), (24, 8566080), (30, 6852864), (32, 6424560), (36, 5710720), (40, 5139648), (45, 4568576), (48, 4283040), (60, 3426432), (64, 3212280), (72, 2855360), (80, 2569824), (90, 2284288), (96, 2141520), (120, 1713216), (128, 1606140), (144, 1427680), (160, 1284912), (180, 1142144), (192, 1070760), (240, 856608), (256, 803070), (288, 713840), (320, 642456), (360, 571072), (384, 535380), (480, 428304), (512, 401535), (576, 356920), (640, 321228), (720, 285536), (768, 267690), (960, 214152), (1152, 178460), (1280, 160614), (1440, 142768), (1536, 133845), (1920, 107076), (2304, 89230), (2560, 80307), (2880, 71384), (3840, 53538), (4608, 44615), (5760, 35692), (7680, 26769), (8923, 23040), (11520, 17846)]