389558160

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 240

約数和(自身を含む): 1405535040

約数和(自身を除く): 1015976880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 243, 261, 270, 290, 324, 348, 360, 405, 432, 435, 464, 486, 522, 540, 580, 648, 691, 696, 720, 783, 810, 870, 972, 1044, 1080, 1160, 1215, 1296, 1305, 1382, 1392, 1566, 1620, 1740, 1944, 2073, 2088, 2160, 2320, 2349, 2430, 2610, 2764, 3132, 3240, 3455, 3480, 3888, 3915, 4146, 4176, 4698, 4860, 5220, 5528, 6219, 6264, 6480, 6910, 6960, 7047, 7830, 8292, 9396, 9720, 10365, 10440, 11056, 11745, 12438, 12528, 13820, 14094, 15660, 16584, 18657, 18792, 19440, 20039, 20730, 20880, 23490, 24876, 27640, 28188, 31095, 31320, 33168, 35235, 37314, 37584, 40078, 41460, 46980, 49752, 55280, 55971, 56376, 60117, 62190, 62640, 70470, 74628, 80156, 82920, 93285, 93960, 99504, 100195, 111942, 112752, 120234, 124380, 140940, 149256, 160312, 165840, 167913, 180351, 186570, 187920, 200390, 223884, 240468, 248760, 279855, 281880, 298512, 300585, 320624, 335826, 360702, 373140, 400780, 447768, 480936, 497520, 541053, 559710, 563760, 601170, 671652, 721404, 746280, 801560, 839565, 895536, 901755, 961872, 1082106, 1119420, 1202340, 1343304, 1442808, 1492560, 1603120, 1623159, 1679130, 1803510, 2164212, 2238840, 2404680, 2686608, 2705265, 2885616, 3246318, 3358260, 3607020, 4328424, 4477680, 4809360, 4869477, 5410530, 6492636, 6716520, 7214040, 8115795, 8656848, 9738954, 10821060, 12985272, 13433040, 14428080, 16231590, 19477908, 21642120, 24347385, 25970544, 32463180, 38955816, 43284240, 48694770, 64926360, 77911632, 97389540, 129852720, 194779080, 389558160]

約数ペア:

[(1, 389558160), (2, 194779080), (3, 129852720), (4, 97389540), (5, 77911632), (6, 64926360), (8, 48694770), (9, 43284240), (10, 38955816), (12, 32463180), (15, 25970544), (16, 24347385), (18, 21642120), (20, 19477908), (24, 16231590), (27, 14428080), (29, 13433040), (30, 12985272), (36, 10821060), (40, 9738954), (45, 8656848), (48, 8115795), (54, 7214040), (58, 6716520), (60, 6492636), (72, 5410530), (80, 4869477), (81, 4809360), (87, 4477680), (90, 4328424), (108, 3607020), (116, 3358260), (120, 3246318), (135, 2885616), (144, 2705265), (145, 2686608), (162, 2404680), (174, 2238840), (180, 2164212), (216, 1803510), (232, 1679130), (240, 1623159), (243, 1603120), (261, 1492560), (270, 1442808), (290, 1343304), (324, 1202340), (348, 1119420), (360, 1082106), (405, 961872), (432, 901755), (435, 895536), (464, 839565), (486, 801560), (522, 746280), (540, 721404), (580, 671652), (648, 601170), (691, 563760), (696, 559710), (720, 541053), (783, 497520), (810, 480936), (870, 447768), (972, 400780), (1044, 373140), (1080, 360702), (1160, 335826), (1215, 320624), (1296, 300585), (1305, 298512), (1382, 281880), (1392, 279855), (1566, 248760), (1620, 240468), (1740, 223884), (1944, 200390), (2073, 187920), (2088, 186570), (2160, 180351), (2320, 167913), (2349, 165840), (2430, 160312), (2610, 149256), (2764, 140940), (3132, 124380), (3240, 120234), (3455, 112752), (3480, 111942), (3888, 100195), (3915, 99504), (4146, 93960), (4176, 93285), (4698, 82920), (4860, 80156), (5220, 74628), (5528, 70470), (6219, 62640), (6264, 62190), (6480, 60117), (6910, 56376), (6960, 55971), (7047, 55280), (7830, 49752), (8292, 46980), (9396, 41460), (9720, 40078), (10365, 37584), (10440, 37314), (11056, 35235), (11745, 33168), (12438, 31320), (12528, 31095), (13820, 28188), (14094, 27640), (15660, 24876), (16584, 23490), (18657, 20880), (18792, 20730), (19440, 20039)]