320170240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 840623616

約数和(自身を除く): 520453376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 142, 160, 208, 256, 260, 271, 284, 320, 355, 416, 520, 542, 568, 640, 710, 832, 923, 1040, 1084, 1136, 1280, 1355, 1420, 1664, 1846, 2080, 2168, 2272, 2710, 2840, 3328, 3523, 3692, 4160, 4336, 4544, 4615, 5420, 5680, 7046, 7384, 8320, 8672, 9088, 9230, 10840, 11360, 14092, 14768, 16640, 17344, 17615, 18176, 18460, 19241, 21680, 22720, 28184, 29536, 34688, 35230, 36920, 38482, 43360, 45440, 56368, 59072, 69376, 70460, 73840, 76964, 86720, 90880, 96205, 112736, 118144, 140920, 147680, 153928, 173440, 192410, 225472, 236288, 250133, 281840, 295360, 307856, 346880, 384820, 450944, 500266, 563680, 590720, 615712, 769640, 901888, 1000532, 1127360, 1181440, 1231424, 1250665, 1539280, 2001064, 2254720, 2462848, 2501330, 3078560, 4002128, 4509440, 4925696, 5002660, 6157120, 8004256, 10005320, 12314240, 16008512, 20010640, 24628480, 32017024, 40021280, 64034048, 80042560, 160085120, 320170240]

約数ペア:

[(1, 320170240), (2, 160085120), (4, 80042560), (5, 64034048), (8, 40021280), (10, 32017024), (13, 24628480), (16, 20010640), (20, 16008512), (26, 12314240), (32, 10005320), (40, 8004256), (52, 6157120), (64, 5002660), (65, 4925696), (71, 4509440), (80, 4002128), (104, 3078560), (128, 2501330), (130, 2462848), (142, 2254720), (160, 2001064), (208, 1539280), (256, 1250665), (260, 1231424), (271, 1181440), (284, 1127360), (320, 1000532), (355, 901888), (416, 769640), (520, 615712), (542, 590720), (568, 563680), (640, 500266), (710, 450944), (832, 384820), (923, 346880), (1040, 307856), (1084, 295360), (1136, 281840), (1280, 250133), (1355, 236288), (1420, 225472), (1664, 192410), (1846, 173440), (2080, 153928), (2168, 147680), (2272, 140920), (2710, 118144), (2840, 112736), (3328, 96205), (3523, 90880), (3692, 86720), (4160, 76964), (4336, 73840), (4544, 70460), (4615, 69376), (5420, 59072), (5680, 56368), (7046, 45440), (7384, 43360), (8320, 38482), (8672, 36920), (9088, 35230), (9230, 34688), (10840, 29536), (11360, 28184), (14092, 22720), (14768, 21680), (16640, 19241), (17344, 18460), (17615, 18176)]