69704960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 185431680

約数和(自身を除く): 115726720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 71, 80, 104, 118, 128, 130, 142, 160, 208, 236, 256, 260, 284, 295, 320, 355, 416, 472, 520, 568, 590, 640, 710, 767, 832, 923, 944, 1040, 1136, 1180, 1280, 1420, 1534, 1664, 1846, 1888, 2080, 2272, 2360, 2840, 3068, 3328, 3692, 3776, 3835, 4160, 4189, 4544, 4615, 4720, 5680, 6136, 7384, 7552, 7670, 8320, 8378, 9088, 9230, 9440, 11360, 12272, 14768, 15104, 15340, 16640, 16756, 18176, 18460, 18880, 20945, 22720, 24544, 29536, 30680, 33512, 36920, 37760, 41890, 45440, 49088, 54457, 59072, 61360, 67024, 73840, 75520, 83780, 90880, 98176, 108914, 118144, 122720, 134048, 147680, 167560, 196352, 217828, 236288, 245440, 268096, 272285, 295360, 335120, 435656, 490880, 536192, 544570, 590720, 670240, 871312, 981760, 1072384, 1089140, 1181440, 1340480, 1742624, 2178280, 2680960, 3485248, 4356560, 5361920, 6970496, 8713120, 13940992, 17426240, 34852480, 69704960]

約数ペア:

[(1, 69704960), (2, 34852480), (4, 17426240), (5, 13940992), (8, 8713120), (10, 6970496), (13, 5361920), (16, 4356560), (20, 3485248), (26, 2680960), (32, 2178280), (40, 1742624), (52, 1340480), (59, 1181440), (64, 1089140), (65, 1072384), (71, 981760), (80, 871312), (104, 670240), (118, 590720), (128, 544570), (130, 536192), (142, 490880), (160, 435656), (208, 335120), (236, 295360), (256, 272285), (260, 268096), (284, 245440), (295, 236288), (320, 217828), (355, 196352), (416, 167560), (472, 147680), (520, 134048), (568, 122720), (590, 118144), (640, 108914), (710, 98176), (767, 90880), (832, 83780), (923, 75520), (944, 73840), (1040, 67024), (1136, 61360), (1180, 59072), (1280, 54457), (1420, 49088), (1534, 45440), (1664, 41890), (1846, 37760), (1888, 36920), (2080, 33512), (2272, 30680), (2360, 29536), (2840, 24544), (3068, 22720), (3328, 20945), (3692, 18880), (3776, 18460), (3835, 18176), (4160, 16756), (4189, 16640), (4544, 15340), (4615, 15104), (4720, 14768), (5680, 12272), (6136, 11360), (7384, 9440), (7552, 9230), (7670, 9088), (8320, 8378)]