40299120

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 140

約数和(自身を含む): 140682216

約数和(自身を除く): 100383096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 691, 720, 729, 810, 972, 1080, 1215, 1296, 1382, 1458, 1620, 1944, 2073, 2160, 2430, 2764, 2916, 3240, 3455, 3645, 3888, 4146, 4860, 5528, 5832, 6219, 6480, 6910, 7290, 8292, 9720, 10365, 11056, 11664, 12438, 13820, 14580, 16584, 18657, 19440, 20730, 24876, 27640, 29160, 31095, 33168, 37314, 41460, 49752, 55280, 55971, 58320, 62190, 74628, 82920, 93285, 99504, 111942, 124380, 149256, 165840, 167913, 186570, 223884, 248760, 279855, 298512, 335826, 373140, 447768, 497520, 503739, 559710, 671652, 746280, 839565, 895536, 1007478, 1119420, 1343304, 1492560, 1679130, 2014956, 2238840, 2518695, 2686608, 3358260, 4029912, 4477680, 5037390, 6716520, 8059824, 10074780, 13433040, 20149560, 40299120]

約数ペア:

[(1, 40299120), (2, 20149560), (3, 13433040), (4, 10074780), (5, 8059824), (6, 6716520), (8, 5037390), (9, 4477680), (10, 4029912), (12, 3358260), (15, 2686608), (16, 2518695), (18, 2238840), (20, 2014956), (24, 1679130), (27, 1492560), (30, 1343304), (36, 1119420), (40, 1007478), (45, 895536), (48, 839565), (54, 746280), (60, 671652), (72, 559710), (80, 503739), (81, 497520), (90, 447768), (108, 373140), (120, 335826), (135, 298512), (144, 279855), (162, 248760), (180, 223884), (216, 186570), (240, 167913), (243, 165840), (270, 149256), (324, 124380), (360, 111942), (405, 99504), (432, 93285), (486, 82920), (540, 74628), (648, 62190), (691, 58320), (720, 55971), (729, 55280), (810, 49752), (972, 41460), (1080, 37314), (1215, 33168), (1296, 31095), (1382, 29160), (1458, 27640), (1620, 24876), (1944, 20730), (2073, 19440), (2160, 18657), (2430, 16584), (2764, 14580), (2916, 13820), (3240, 12438), (3455, 11664), (3645, 11056), (3888, 10365), (4146, 9720), (4860, 8292), (5528, 7290), (5832, 6910), (6219, 6480)]