181569720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 560494080

約数和(自身を除く): 378924360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 101, 120, 142, 202, 211, 213, 284, 303, 355, 404, 422, 426, 505, 568, 606, 633, 710, 808, 844, 852, 1010, 1055, 1065, 1212, 1266, 1420, 1515, 1688, 1704, 2020, 2110, 2130, 2424, 2532, 2840, 3030, 3165, 4040, 4220, 4260, 5064, 6060, 6330, 7171, 8440, 8520, 12120, 12660, 14342, 14981, 21311, 21513, 25320, 28684, 29962, 35855, 42622, 43026, 44943, 57368, 59924, 63933, 71710, 74905, 85244, 86052, 89886, 106555, 107565, 119848, 127866, 143420, 149810, 170488, 172104, 179772, 213110, 215130, 224715, 255732, 286840, 299620, 319665, 359544, 426220, 430260, 449430, 511464, 599240, 639330, 852440, 860520, 898860, 1278660, 1513081, 1797720, 2557320, 3026162, 4539243, 6052324, 7565405, 9078486, 12104648, 15130810, 18156972, 22696215, 30261620, 36313944, 45392430, 60523240, 90784860, 181569720]

約数ペア:

[(1, 181569720), (2, 90784860), (3, 60523240), (4, 45392430), (5, 36313944), (6, 30261620), (8, 22696215), (10, 18156972), (12, 15130810), (15, 12104648), (20, 9078486), (24, 7565405), (30, 6052324), (40, 4539243), (60, 3026162), (71, 2557320), (101, 1797720), (120, 1513081), (142, 1278660), (202, 898860), (211, 860520), (213, 852440), (284, 639330), (303, 599240), (355, 511464), (404, 449430), (422, 430260), (426, 426220), (505, 359544), (568, 319665), (606, 299620), (633, 286840), (710, 255732), (808, 224715), (844, 215130), (852, 213110), (1010, 179772), (1055, 172104), (1065, 170488), (1212, 149810), (1266, 143420), (1420, 127866), (1515, 119848), (1688, 107565), (1704, 106555), (2020, 89886), (2110, 86052), (2130, 85244), (2424, 74905), (2532, 71710), (2840, 63933), (3030, 59924), (3165, 57368), (4040, 44943), (4220, 43026), (4260, 42622), (5064, 35855), (6060, 29962), (6330, 28684), (7171, 25320), (8440, 21513), (8520, 21311), (12120, 14981), (12660, 14342)]