148240640

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 357618240

約数和(自身を除く): 209377600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 640, 647, 716, 895, 1280, 1294, 1432, 1790, 2588, 2864, 3235, 3580, 5176, 5728, 6470, 7160, 10352, 11456, 12940, 14320, 20704, 22912, 25880, 28640, 41408, 45824, 51760, 57280, 82816, 103520, 114560, 115813, 165632, 207040, 229120, 231626, 414080, 463252, 579065, 828160, 926504, 1158130, 1853008, 2316260, 3706016, 4632520, 7412032, 9265040, 14824064, 18530080, 29648128, 37060160, 74120320, 148240640]

約数ペア:

[(1, 148240640), (2, 74120320), (4, 37060160), (5, 29648128), (8, 18530080), (10, 14824064), (16, 9265040), (20, 7412032), (32, 4632520), (40, 3706016), (64, 2316260), (80, 1853008), (128, 1158130), (160, 926504), (179, 828160), (256, 579065), (320, 463252), (358, 414080), (640, 231626), (647, 229120), (716, 207040), (895, 165632), (1280, 115813), (1294, 114560), (1432, 103520), (1790, 82816), (2588, 57280), (2864, 51760), (3235, 45824), (3580, 41408), (5176, 28640), (5728, 25880), (6470, 22912), (7160, 20704), (10352, 14320), (11456, 12940)]