248409180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 792529920

約数和(自身を除く): 544120740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 647, 711, 790, 810, 948, 972, 1185, 1215, 1294, 1422, 1580, 1620, 1941, 2133, 2370, 2430, 2588, 2844, 3235, 3555, 3882, 4266, 4740, 4860, 5823, 6399, 6470, 7110, 7764, 8532, 9705, 10665, 11646, 12798, 12940, 14220, 17469, 19197, 19410, 21330, 23292, 25596, 29115, 31995, 34938, 38394, 38820, 42660, 51113, 52407, 58230, 63990, 69876, 76788, 87345, 95985, 102226, 104814, 116460, 127980, 153339, 157221, 174690, 191970, 204452, 209628, 255565, 262035, 306678, 314442, 349380, 383940, 460017, 511130, 524070, 613356, 628884, 766695, 786105, 920034, 1022260, 1048140, 1380051, 1533390, 1572210, 1840068, 2300085, 2760102, 3066780, 3144420, 4140153, 4600170, 5520204, 6900255, 8280306, 9200340, 12420459, 13800510, 16560612, 20700765, 24840918, 27601020, 41401530, 49681836, 62102295, 82803060, 124204590, 248409180]

約数ペア:

[(1, 248409180), (2, 124204590), (3, 82803060), (4, 62102295), (5, 49681836), (6, 41401530), (9, 27601020), (10, 24840918), (12, 20700765), (15, 16560612), (18, 13800510), (20, 12420459), (27, 9200340), (30, 8280306), (36, 6900255), (45, 5520204), (54, 4600170), (60, 4140153), (79, 3144420), (81, 3066780), (90, 2760102), (108, 2300085), (135, 1840068), (158, 1572210), (162, 1533390), (180, 1380051), (237, 1048140), (243, 1022260), (270, 920034), (316, 786105), (324, 766695), (395, 628884), (405, 613356), (474, 524070), (486, 511130), (540, 460017), (647, 383940), (711, 349380), (790, 314442), (810, 306678), (948, 262035), (972, 255565), (1185, 209628), (1215, 204452), (1294, 191970), (1422, 174690), (1580, 157221), (1620, 153339), (1941, 127980), (2133, 116460), (2370, 104814), (2430, 102226), (2588, 95985), (2844, 87345), (3235, 76788), (3555, 69876), (3882, 63990), (4266, 58230), (4740, 52407), (4860, 51113), (5823, 42660), (6399, 38820), (6470, 38394), (7110, 34938), (7764, 31995), (8532, 29115), (9705, 25596), (10665, 23292), (11646, 21330), (12798, 19410), (12940, 19197), (14220, 17469)]