320203920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 1032041088

約数和(自身を除く): 711837168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 107, 111, 120, 148, 185, 214, 222, 240, 296, 321, 337, 370, 428, 444, 535, 555, 592, 642, 674, 740, 856, 888, 1011, 1070, 1110, 1284, 1348, 1480, 1605, 1685, 1712, 1776, 2022, 2140, 2220, 2568, 2696, 2960, 3210, 3370, 3959, 4044, 4280, 4440, 5055, 5136, 5392, 6420, 6740, 7918, 8088, 8560, 8880, 10110, 11877, 12469, 12840, 13480, 15836, 16176, 19795, 20220, 23754, 24938, 25680, 26960, 31672, 36059, 37407, 39590, 40440, 47508, 49876, 59385, 62345, 63344, 72118, 74814, 79180, 80880, 95016, 99752, 108177, 118770, 124690, 144236, 149628, 158360, 180295, 187035, 190032, 199504, 216354, 237540, 249380, 288472, 299256, 316720, 360590, 374070, 432708, 475080, 498760, 540885, 576944, 598512, 721180, 748140, 865416, 950160, 997520, 1081770, 1334183, 1442360, 1496280, 1730832, 2163540, 2668366, 2884720, 2992560, 4002549, 4327080, 5336732, 6670915, 8005098, 8654160, 10673464, 13341830, 16010196, 20012745, 21346928, 26683660, 32020392, 40025490, 53367320, 64040784, 80050980, 106734640, 160101960, 320203920]

約数ペア:

[(1, 320203920), (2, 160101960), (3, 106734640), (4, 80050980), (5, 64040784), (6, 53367320), (8, 40025490), (10, 32020392), (12, 26683660), (15, 21346928), (16, 20012745), (20, 16010196), (24, 13341830), (30, 10673464), (37, 8654160), (40, 8005098), (48, 6670915), (60, 5336732), (74, 4327080), (80, 4002549), (107, 2992560), (111, 2884720), (120, 2668366), (148, 2163540), (185, 1730832), (214, 1496280), (222, 1442360), (240, 1334183), (296, 1081770), (321, 997520), (337, 950160), (370, 865416), (428, 748140), (444, 721180), (535, 598512), (555, 576944), (592, 540885), (642, 498760), (674, 475080), (740, 432708), (856, 374070), (888, 360590), (1011, 316720), (1070, 299256), (1110, 288472), (1284, 249380), (1348, 237540), (1480, 216354), (1605, 199504), (1685, 190032), (1712, 187035), (1776, 180295), (2022, 158360), (2140, 149628), (2220, 144236), (2568, 124690), (2696, 118770), (2960, 108177), (3210, 99752), (3370, 95016), (3959, 80880), (4044, 79180), (4280, 74814), (4440, 72118), (5055, 63344), (5136, 62345), (5392, 59385), (6420, 49876), (6740, 47508), (7918, 40440), (8088, 39590), (8560, 37407), (8880, 36059), (10110, 31672), (11877, 26960), (12469, 25680), (12840, 24938), (13480, 23754), (15836, 20220), (16176, 19795)]