161765760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6516

約数の個数: 128

約数和(自身を含む): 555377760

約数和(自身を除く): 393612000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 6481, 8320, 12480, 12962, 19443, 24960, 25924, 32405, 38886, 51848, 64810, 77772, 84253, 97215, 103696, 129620, 155544, 168506, 194430, 207392, 252759, 259240, 311088, 337012, 388860, 414784, 421265, 505518, 518480, 622176, 674024, 777720, 829568, 842530, 1011036, 1036960, 1244352, 1263795, 1348048, 1555440, 1685060, 2022072, 2073920, 2488704, 2527590, 2696096, 3110880, 3370120, 4044144, 4147840, 5055180, 5392192, 6221760, 6740240, 8088288, 10110360, 10784384, 12443520, 13480480, 16176576, 20220720, 26960960, 32353152, 40441440, 53921920, 80882880, 161765760]

約数ペア:

[(1, 161765760), (2, 80882880), (3, 53921920), (4, 40441440), (5, 32353152), (6, 26960960), (8, 20220720), (10, 16176576), (12, 13480480), (13, 12443520), (15, 10784384), (16, 10110360), (20, 8088288), (24, 6740240), (26, 6221760), (30, 5392192), (32, 5055180), (39, 4147840), (40, 4044144), (48, 3370120), (52, 3110880), (60, 2696096), (64, 2527590), (65, 2488704), (78, 2073920), (80, 2022072), (96, 1685060), (104, 1555440), (120, 1348048), (128, 1263795), (130, 1244352), (156, 1036960), (160, 1011036), (192, 842530), (195, 829568), (208, 777720), (240, 674024), (260, 622176), (312, 518480), (320, 505518), (384, 421265), (390, 414784), (416, 388860), (480, 337012), (520, 311088), (624, 259240), (640, 252759), (780, 207392), (832, 194430), (960, 168506), (1040, 155544), (1248, 129620), (1560, 103696), (1664, 97215), (1920, 84253), (2080, 77772), (2496, 64810), (3120, 51848), (4160, 38886), (4992, 32405), (6240, 25924), (6481, 24960), (8320, 19443), (12480, 12962)]