16689920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 46357920

約数和(自身を除く): 29668000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 59, 64, 65, 68, 80, 85, 104, 118, 128, 130, 136, 160, 170, 208, 221, 236, 256, 260, 272, 295, 320, 340, 416, 442, 472, 520, 544, 590, 640, 680, 767, 832, 884, 944, 1003, 1040, 1088, 1105, 1180, 1280, 1360, 1534, 1664, 1768, 1888, 2006, 2080, 2176, 2210, 2360, 2720, 3068, 3328, 3536, 3776, 3835, 4012, 4160, 4352, 4420, 4720, 5015, 5440, 6136, 7072, 7552, 7670, 8024, 8320, 8840, 9440, 10030, 10880, 12272, 13039, 14144, 15104, 15340, 16048, 16640, 17680, 18880, 20060, 21760, 24544, 26078, 28288, 30680, 32096, 35360, 37760, 40120, 49088, 52156, 56576, 61360, 64192, 65195, 70720, 75520, 80240, 98176, 104312, 122720, 128384, 130390, 141440, 160480, 196352, 208624, 245440, 256768, 260780, 282880, 320960, 417248, 490880, 521560, 641920, 834496, 981760, 1043120, 1283840, 1668992, 2086240, 3337984, 4172480, 8344960, 16689920]

約数ペア:

[(1, 16689920), (2, 8344960), (4, 4172480), (5, 3337984), (8, 2086240), (10, 1668992), (13, 1283840), (16, 1043120), (17, 981760), (20, 834496), (26, 641920), (32, 521560), (34, 490880), (40, 417248), (52, 320960), (59, 282880), (64, 260780), (65, 256768), (68, 245440), (80, 208624), (85, 196352), (104, 160480), (118, 141440), (128, 130390), (130, 128384), (136, 122720), (160, 104312), (170, 98176), (208, 80240), (221, 75520), (236, 70720), (256, 65195), (260, 64192), (272, 61360), (295, 56576), (320, 52156), (340, 49088), (416, 40120), (442, 37760), (472, 35360), (520, 32096), (544, 30680), (590, 28288), (640, 26078), (680, 24544), (767, 21760), (832, 20060), (884, 18880), (944, 17680), (1003, 16640), (1040, 16048), (1088, 15340), (1105, 15104), (1180, 14144), (1280, 13039), (1360, 12272), (1534, 10880), (1664, 10030), (1768, 9440), (1888, 8840), (2006, 8320), (2080, 8024), (2176, 7670), (2210, 7552), (2360, 7072), (2720, 6136), (3068, 5440), (3328, 5015), (3536, 4720), (3776, 4420), (3835, 4352), (4012, 4160)]