145457920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6021

約数の個数: 72

約数和(自身を含む): 366816240

約数和(自身を除く): 221358320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 5981, 6080, 11962, 12160, 23924, 24320, 29905, 47848, 59810, 95696, 113639, 119620, 191392, 227278, 239240, 382784, 454556, 478480, 568195, 765568, 909112, 956960, 1136390, 1531136, 1818224, 1913920, 2272780, 3636448, 3827840, 4545560, 7272896, 7655680, 9091120, 14545792, 18182240, 29091584, 36364480, 72728960, 145457920]

約数ペア:

[(1, 145457920), (2, 72728960), (4, 36364480), (5, 29091584), (8, 18182240), (10, 14545792), (16, 9091120), (19, 7655680), (20, 7272896), (32, 4545560), (38, 3827840), (40, 3636448), (64, 2272780), (76, 1913920), (80, 1818224), (95, 1531136), (128, 1136390), (152, 956960), (160, 909112), (190, 765568), (256, 568195), (304, 478480), (320, 454556), (380, 382784), (608, 239240), (640, 227278), (760, 191392), (1216, 119620), (1280, 113639), (1520, 95696), (2432, 59810), (3040, 47848), (4864, 29905), (5981, 24320), (6080, 23924), (11962, 12160)]