281328840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 192

約数和(自身を含む): 1006387200

約数和(自身を除く): 725058360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 52, 60, 65, 72, 78, 90, 94, 104, 117, 120, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 705, 780, 846, 936, 940, 1128, 1170, 1222, 1279, 1410, 1560, 1692, 1833, 1880, 2115, 2340, 2444, 2558, 2820, 3055, 3384, 3666, 3837, 4230, 4680, 4888, 5116, 5499, 5640, 6110, 6395, 7332, 7674, 8460, 9165, 10232, 10998, 11511, 12220, 12790, 14664, 15348, 16627, 16920, 18330, 19185, 21996, 23022, 24440, 25580, 27495, 30696, 33254, 36660, 38370, 43992, 46044, 49881, 51160, 54990, 57555, 60113, 66508, 73320, 76740, 83135, 92088, 99762, 109980, 115110, 120226, 133016, 149643, 153480, 166270, 180339, 199524, 219960, 230220, 240452, 249405, 299286, 300565, 332540, 360678, 399048, 460440, 480904, 498810, 541017, 598572, 601130, 665080, 721356, 748215, 781469, 901695, 997620, 1082034, 1197144, 1202260, 1442712, 1496430, 1562938, 1803390, 1995240, 2164068, 2344407, 2404520, 2705085, 2992860, 3125876, 3606780, 3907345, 4328136, 4688814, 5410170, 5985720, 6251752, 7033221, 7213560, 7814690, 9377628, 10820340, 11722035, 14066442, 15629380, 18755256, 21640680, 23444070, 28132884, 31258760, 35166105, 46888140, 56265768, 70332210, 93776280, 140664420, 281328840]

約数ペア:

[(1, 281328840), (2, 140664420), (3, 93776280), (4, 70332210), (5, 56265768), (6, 46888140), (8, 35166105), (9, 31258760), (10, 28132884), (12, 23444070), (13, 21640680), (15, 18755256), (18, 15629380), (20, 14066442), (24, 11722035), (26, 10820340), (30, 9377628), (36, 7814690), (39, 7213560), (40, 7033221), (45, 6251752), (47, 5985720), (52, 5410170), (60, 4688814), (65, 4328136), (72, 3907345), (78, 3606780), (90, 3125876), (94, 2992860), (104, 2705085), (117, 2404520), (120, 2344407), (130, 2164068), (141, 1995240), (156, 1803390), (180, 1562938), (188, 1496430), (195, 1442712), (234, 1202260), (235, 1197144), (260, 1082034), (282, 997620), (312, 901695), (360, 781469), (376, 748215), (390, 721356), (423, 665080), (468, 601130), (470, 598572), (520, 541017), (564, 498810), (585, 480904), (611, 460440), (705, 399048), (780, 360678), (846, 332540), (936, 300565), (940, 299286), (1128, 249405), (1170, 240452), (1222, 230220), (1279, 219960), (1410, 199524), (1560, 180339), (1692, 166270), (1833, 153480), (1880, 149643), (2115, 133016), (2340, 120226), (2444, 115110), (2558, 109980), (2820, 99762), (3055, 92088), (3384, 83135), (3666, 76740), (3837, 73320), (4230, 66508), (4680, 60113), (4888, 57555), (5116, 54990), (5499, 51160), (5640, 49881), (6110, 46044), (6395, 43992), (7332, 38370), (7674, 36660), (8460, 33254), (9165, 30696), (10232, 27495), (10998, 25580), (11511, 24440), (12220, 23022), (12790, 21996), (14664, 19185), (15348, 18330), (16627, 16920)]