64741120

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 159382944

約数和(自身を除く): 94641824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1367, 1480, 2368, 2734, 2960, 4736, 5468, 5920, 6835, 9472, 10936, 11840, 13670, 21872, 23680, 27340, 43744, 47360, 50579, 54680, 87488, 101158, 109360, 174976, 202316, 218720, 252895, 349952, 404632, 437440, 505790, 809264, 874880, 1011580, 1618528, 1749760, 2023160, 3237056, 4046320, 6474112, 8092640, 12948224, 16185280, 32370560, 64741120]

約数ペア:

[(1, 64741120), (2, 32370560), (4, 16185280), (5, 12948224), (8, 8092640), (10, 6474112), (16, 4046320), (20, 3237056), (32, 2023160), (37, 1749760), (40, 1618528), (64, 1011580), (74, 874880), (80, 809264), (128, 505790), (148, 437440), (160, 404632), (185, 349952), (256, 252895), (296, 218720), (320, 202316), (370, 174976), (592, 109360), (640, 101158), (740, 87488), (1184, 54680), (1280, 50579), (1367, 47360), (1480, 43744), (2368, 27340), (2734, 23680), (2960, 21872), (4736, 13670), (5468, 11840), (5920, 10936), (6835, 9472)]