161072640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{6991}}^1$

素因数の和:7020

約数の個数: 120

約数和(自身を含む): 557919648

約数和(自身を除く): 396847008

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, 6991, 7680, 11520, 13982, 20973, 23040, 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, 3579392, 4026816, 4474240, 5033520, 5369088, 6711360, 8053632, 8948480, 10067040, 10738176, 13422720, 16107264, 17896960, 20134080, 26845440, 32214528, 40268160, 53690880, 80536320, 161072640]

約数ペア:

[(1, 161072640), (2, 80536320), (3, 53690880), (4, 40268160), (5, 32214528), (6, 26845440), (8, 20134080), (9, 17896960), (10, 16107264), (12, 13422720), (15, 10738176), (16, 10067040), (18, 8948480), (20, 8053632), (24, 6711360), (30, 5369088), (32, 5033520), (36, 4474240), (40, 4026816), (45, 3579392), (48, 3355680), (60, 2684544), (64, 2516760), (72, 2237120), (80, 2013408), (90, 1789696), (96, 1677840), (120, 1342272), (128, 1258380), (144, 1118560), (160, 1006704), (180, 894848), (192, 838920), (240, 671136), (256, 629190), (288, 559280), (320, 503352), (360, 447424), (384, 419460), (480, 335568), (512, 314595), (576, 279640), (640, 251676), (720, 223712), (768, 209730), (960, 167784), (1152, 139820), (1280, 125838), (1440, 111856), (1536, 104865), (1920, 83892), (2304, 69910), (2560, 62919), (2880, 55928), (3840, 41946), (4608, 34955), (5760, 27964), (6991, 23040), (7680, 20973), (11520, 13982)]