261815040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22727}}^1$

素因数の和:22754

約数の個数: 108

約数和(自身を含む): 905892624

約数和(自身を除く): 644077584

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22727, 45454, 68181, 90908, 113635, 136362, 181816, 204543, 227270, 272724, 340905, 363632, 409086, 454540, 545448, 681810, 727264, 818172, 909080, 1022715, 1090896, 1363620, 1454528, 1636344, 1818160, 2045430, 2181792, 2727240, 2909056, 3272688, 3636320, 4090860, 4363584, 5454480, 5818112, 6545376, 7272640, 8181720, 8727168, 10908960, 13090752, 14545280, 16363440, 17454336, 21817920, 26181504, 29090560, 32726880, 43635840, 52363008, 65453760, 87271680, 130907520, 261815040]

約数ペア:

[(1, 261815040), (2, 130907520), (3, 87271680), (4, 65453760), (5, 52363008), (6, 43635840), (8, 32726880), (9, 29090560), (10, 26181504), (12, 21817920), (15, 17454336), (16, 16363440), (18, 14545280), (20, 13090752), (24, 10908960), (30, 8727168), (32, 8181720), (36, 7272640), (40, 6545376), (45, 5818112), (48, 5454480), (60, 4363584), (64, 4090860), (72, 3636320), (80, 3272688), (90, 2909056), (96, 2727240), (120, 2181792), (128, 2045430), (144, 1818160), (160, 1636344), (180, 1454528), (192, 1363620), (240, 1090896), (256, 1022715), (288, 909080), (320, 818172), (360, 727264), (384, 681810), (480, 545448), (576, 454540), (640, 409086), (720, 363632), (768, 340905), (960, 272724), (1152, 227270), (1280, 204543), (1440, 181816), (1920, 136362), (2304, 113635), (2880, 90908), (3840, 68181), (5760, 45454), (11520, 22727)]