80536320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{6991}}^1$

素因数の和:7018

約数の個数: 108

約数和(自身を含む): 278687136

約数和(自身を除く): 198150816

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, 6991, 11520, 13982, 20973, 27964, 34955, 41946, 55928, 62919, 69910, 83892, 104865, 111856, 125838, 139820, 167784, 209730, 223712, 251676, 279640, 314595, 335568, 419460, 447424, 503352, 559280, 629190, 671136, 838920, 894848, 1006704, 1118560, 1258380, 1342272, 1677840, 1789696, 2013408, 2237120, 2516760, 2684544, 3355680, 4026816, 4474240, 5033520, 5369088, 6711360, 8053632, 8948480, 10067040, 13422720, 16107264, 20134080, 26845440, 40268160, 80536320]

約数ペア:

[(1, 80536320), (2, 40268160), (3, 26845440), (4, 20134080), (5, 16107264), (6, 13422720), (8, 10067040), (9, 8948480), (10, 8053632), (12, 6711360), (15, 5369088), (16, 5033520), (18, 4474240), (20, 4026816), (24, 3355680), (30, 2684544), (32, 2516760), (36, 2237120), (40, 2013408), (45, 1789696), (48, 1677840), (60, 1342272), (64, 1258380), (72, 1118560), (80, 1006704), (90, 894848), (96, 838920), (120, 671136), (128, 629190), (144, 559280), (160, 503352), (180, 447424), (192, 419460), (240, 335568), (256, 314595), (288, 279640), (320, 251676), (360, 223712), (384, 209730), (480, 167784), (576, 139820), (640, 125838), (720, 111856), (768, 104865), (960, 83892), (1152, 69910), (1280, 62919), (1440, 55928), (1920, 41946), (2304, 34955), (2880, 27964), (3840, 20973), (5760, 13982), (6991, 11520)]