64785040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 157418496

約数和(自身を除く): 92633456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 173, 248, 302, 310, 346, 496, 604, 620, 692, 755, 865, 1208, 1240, 1384, 1510, 1730, 2416, 2480, 2768, 3020, 3460, 4681, 5363, 6040, 6920, 9362, 10726, 12080, 13840, 18724, 21452, 23405, 26123, 26815, 37448, 42904, 46810, 52246, 53630, 74896, 85808, 93620, 104492, 107260, 130615, 187240, 208984, 214520, 261230, 374480, 417968, 429040, 522460, 809813, 1044920, 1619626, 2089840, 3239252, 4049065, 6478504, 8098130, 12957008, 16196260, 32392520, 64785040]

約数ペア:

[(1, 64785040), (2, 32392520), (4, 16196260), (5, 12957008), (8, 8098130), (10, 6478504), (16, 4049065), (20, 3239252), (31, 2089840), (40, 1619626), (62, 1044920), (80, 809813), (124, 522460), (151, 429040), (155, 417968), (173, 374480), (248, 261230), (302, 214520), (310, 208984), (346, 187240), (496, 130615), (604, 107260), (620, 104492), (692, 93620), (755, 85808), (865, 74896), (1208, 53630), (1240, 52246), (1384, 46810), (1510, 42904), (1730, 37448), (2416, 26815), (2480, 26123), (2768, 23405), (3020, 21452), (3460, 18724), (4681, 13840), (5363, 12080), (6040, 10726), (6920, 9362)]