2539692720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49681}}^1$

素因数の和:49771

約数の個数: 120

約数和(自身を含む): 8649437472

約数和(自身を除く): 6109744752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 49681, 51120, 99362, 149043, 198724, 248405, 298086, 397448, 447129, 496810, 596172, 745215, 794896, 894258, 993620, 1192344, 1490430, 1788516, 1987240, 2235645, 2384688, 2980860, 3527351, 3577032, 3974480, 4471290, 5961720, 7054702, 7154064, 8942580, 10582053, 11923440, 14109404, 17636755, 17885160, 21164106, 28218808, 31746159, 35273510, 35770320, 42328212, 52910265, 56437616, 63492318, 70547020, 84656424, 105820530, 126984636, 141094040, 158730795, 169312848, 211641060, 253969272, 282188080, 317461590, 423282120, 507938544, 634923180, 846564240, 1269846360, 2539692720]

約数ペア:

[(1, 2539692720), (2, 1269846360), (3, 846564240), (4, 634923180), (5, 507938544), (6, 423282120), (8, 317461590), (9, 282188080), (10, 253969272), (12, 211641060), (15, 169312848), (16, 158730795), (18, 141094040), (20, 126984636), (24, 105820530), (30, 84656424), (36, 70547020), (40, 63492318), (45, 56437616), (48, 52910265), (60, 42328212), (71, 35770320), (72, 35273510), (80, 31746159), (90, 28218808), (120, 21164106), (142, 17885160), (144, 17636755), (180, 14109404), (213, 11923440), (240, 10582053), (284, 8942580), (355, 7154064), (360, 7054702), (426, 5961720), (568, 4471290), (639, 3974480), (710, 3577032), (720, 3527351), (852, 2980860), (1065, 2384688), (1136, 2235645), (1278, 1987240), (1420, 1788516), (1704, 1490430), (2130, 1192344), (2556, 993620), (2840, 894258), (3195, 794896), (3408, 745215), (4260, 596172), (5112, 496810), (5680, 447129), (6390, 397448), (8520, 298086), (10224, 248405), (12780, 198724), (17040, 149043), (25560, 99362), (49681, 51120)]