72872960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 88

約数和(自身を含む): 179415456

約数和(自身を除く): 106542496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 331, 344, 430, 512, 640, 662, 688, 860, 1024, 1280, 1324, 1376, 1655, 1720, 2560, 2648, 2752, 3310, 3440, 5120, 5296, 5504, 6620, 6880, 10592, 11008, 13240, 13760, 14233, 21184, 22016, 26480, 27520, 28466, 42368, 44032, 52960, 55040, 56932, 71165, 84736, 105920, 110080, 113864, 142330, 169472, 211840, 220160, 227728, 284660, 338944, 423680, 455456, 569320, 847360, 910912, 1138640, 1694720, 1821824, 2277280, 3643648, 4554560, 7287296, 9109120, 14574592, 18218240, 36436480, 72872960]

約数ペア:

[(1, 72872960), (2, 36436480), (4, 18218240), (5, 14574592), (8, 9109120), (10, 7287296), (16, 4554560), (20, 3643648), (32, 2277280), (40, 1821824), (43, 1694720), (64, 1138640), (80, 910912), (86, 847360), (128, 569320), (160, 455456), (172, 423680), (215, 338944), (256, 284660), (320, 227728), (331, 220160), (344, 211840), (430, 169472), (512, 142330), (640, 113864), (662, 110080), (688, 105920), (860, 84736), (1024, 71165), (1280, 56932), (1324, 55040), (1376, 52960), (1655, 44032), (1720, 42368), (2560, 28466), (2648, 27520), (2752, 26480), (3310, 22016), (3440, 21184), (5120, 14233), (5296, 13760), (5504, 13240), (6620, 11008), (6880, 10592)]