645142320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{99559}}^1$

素因数の和:99584

約数の個数: 100

約数和(自身を含む): 2240697360

約数和(自身を除く): 1595555040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 99559, 199118, 298677, 398236, 497795, 597354, 796472, 896031, 995590, 1194708, 1493385, 1592944, 1792062, 1991180, 2389416, 2688093, 2986770, 3584124, 3982360, 4480155, 4778832, 5376186, 5973540, 7168248, 7964720, 8064279, 8960310, 10752372, 11947080, 13440465, 14336496, 16128558, 17920620, 21504744, 23894160, 26880930, 32257116, 35841240, 40321395, 43009488, 53761860, 64514232, 71682480, 80642790, 107523720, 129028464, 161285580, 215047440, 322571160, 645142320]

約数ペア:

[(1, 645142320), (2, 322571160), (3, 215047440), (4, 161285580), (5, 129028464), (6, 107523720), (8, 80642790), (9, 71682480), (10, 64514232), (12, 53761860), (15, 43009488), (16, 40321395), (18, 35841240), (20, 32257116), (24, 26880930), (27, 23894160), (30, 21504744), (36, 17920620), (40, 16128558), (45, 14336496), (48, 13440465), (54, 11947080), (60, 10752372), (72, 8960310), (80, 8064279), (81, 7964720), (90, 7168248), (108, 5973540), (120, 5376186), (135, 4778832), (144, 4480155), (162, 3982360), (180, 3584124), (216, 2986770), (240, 2688093), (270, 2389416), (324, 1991180), (360, 1792062), (405, 1592944), (432, 1493385), (540, 1194708), (648, 995590), (720, 896031), (810, 796472), (1080, 597354), (1296, 497795), (1620, 398236), (2160, 298677), (3240, 199118), (6480, 99559)]