320690240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 112

約数和(自身を含む): 830226432

約数和(自身を除く): 509536192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 508, 520, 607, 635, 832, 1016, 1040, 1214, 1270, 1651, 2032, 2080, 2428, 2540, 3035, 3302, 4064, 4160, 4856, 5080, 6070, 6604, 7891, 8128, 8255, 9712, 10160, 12140, 13208, 15782, 16510, 19424, 20320, 24280, 26416, 31564, 33020, 38848, 39455, 40640, 48560, 52832, 63128, 66040, 77089, 78910, 97120, 105664, 126256, 132080, 154178, 157820, 194240, 252512, 264160, 308356, 315640, 385445, 505024, 528320, 616712, 631280, 770890, 1002157, 1233424, 1262560, 1541780, 2004314, 2466848, 2525120, 3083560, 4008628, 4933696, 5010785, 6167120, 8017256, 10021570, 12334240, 16034512, 20043140, 24668480, 32069024, 40086280, 64138048, 80172560, 160345120, 320690240]

約数ペア:

[(1, 320690240), (2, 160345120), (4, 80172560), (5, 64138048), (8, 40086280), (10, 32069024), (13, 24668480), (16, 20043140), (20, 16034512), (26, 12334240), (32, 10021570), (40, 8017256), (52, 6167120), (64, 5010785), (65, 4933696), (80, 4008628), (104, 3083560), (127, 2525120), (130, 2466848), (160, 2004314), (208, 1541780), (254, 1262560), (260, 1233424), (320, 1002157), (416, 770890), (508, 631280), (520, 616712), (607, 528320), (635, 505024), (832, 385445), (1016, 315640), (1040, 308356), (1214, 264160), (1270, 252512), (1651, 194240), (2032, 157820), (2080, 154178), (2428, 132080), (2540, 126256), (3035, 105664), (3302, 97120), (4064, 78910), (4160, 77089), (4856, 66040), (5080, 63128), (6070, 52832), (6604, 48560), (7891, 40640), (8128, 39455), (8255, 38848), (9712, 33020), (10160, 31564), (12140, 26416), (13208, 24280), (15782, 20320), (16510, 19424)]