254103630320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{6361}}^1$

素因数の和:7075

約数の個数: 160

約数和(自身を含む): 638147280960

約数和(自身を除く): 384043650640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 641, 656, 760, 779, 820, 1282, 1520, 1558, 1640, 2564, 3116, 3205, 3280, 3895, 5128, 6232, 6361, 6410, 7790, 10256, 12179, 12464, 12722, 12820, 15580, 24358, 25444, 25640, 26281, 31160, 31805, 48716, 50888, 51280, 52562, 60895, 62320, 63610, 97432, 101776, 105124, 120859, 121790, 127220, 131405, 194864, 210248, 241718, 243580, 254440, 260801, 262810, 420496, 483436, 487160, 499339, 508880, 521602, 525620, 604295, 966872, 974320, 998678, 1043204, 1051240, 1208590, 1304005, 1933744, 1997356, 2086408, 2102480, 2417180, 2496695, 2608010, 3994712, 4077401, 4172816, 4834360, 4955219, 4993390, 5216020, 7989424, 8154802, 9668720, 9910438, 9986780, 10432040, 16309604, 19820876, 19973560, 20387005, 20864080, 24776095, 32619208, 39641752, 39947120, 40774010, 49552190, 65238416, 77470619, 79283504, 81548020, 99104380, 154941238, 163096040, 167173441, 198208760, 309882476, 326192080, 334346882, 387353095, 396417520, 619764952, 668693764, 774706190, 835867205, 1239529904, 1337387528, 1549412380, 1671734410, 2674775056, 3098824760, 3176295379, 3343468820, 6197649520, 6352590758, 6686937640, 12705181516, 13373875280, 15881476895, 25410363032, 31762953790, 50820726064, 63525907580, 127051815160, 254103630320]

約数ペア:

[(1, 254103630320), (2, 127051815160), (4, 63525907580), (5, 50820726064), (8, 31762953790), (10, 25410363032), (16, 15881476895), (19, 13373875280), (20, 12705181516), (38, 6686937640), (40, 6352590758), (41, 6197649520), (76, 3343468820), (80, 3176295379), (82, 3098824760), (95, 2674775056), (152, 1671734410), (164, 1549412380), (190, 1337387528), (205, 1239529904), (304, 835867205), (328, 774706190), (380, 668693764), (410, 619764952), (641, 396417520), (656, 387353095), (760, 334346882), (779, 326192080), (820, 309882476), (1282, 198208760), (1520, 167173441), (1558, 163096040), (1640, 154941238), (2564, 99104380), (3116, 81548020), (3205, 79283504), (3280, 77470619), (3895, 65238416), (5128, 49552190), (6232, 40774010), (6361, 39947120), (6410, 39641752), (7790, 32619208), (10256, 24776095), (12179, 20864080), (12464, 20387005), (12722, 19973560), (12820, 19820876), (15580, 16309604), (24358, 10432040), (25444, 9986780), (25640, 9910438), (26281, 9668720), (31160, 8154802), (31805, 7989424), (48716, 5216020), (50888, 4993390), (51280, 4955219), (52562, 4834360), (60895, 4172816), (62320, 4077401), (63610, 3994712), (97432, 2608010), (101776, 2496695), (105124, 2417180), (120859, 2102480), (121790, 2086408), (127220, 1997356), (131405, 1933744), (194864, 1304005), (210248, 1208590), (241718, 1051240), (243580, 1043204), (254440, 998678), (260801, 974320), (262810, 966872), (420496, 604295), (483436, 525620), (487160, 521602), (499339, 508880)]