161263760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 452804352

約数和(自身を除く): 291540592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 43, 56, 70, 74, 80, 86, 112, 140, 148, 172, 181, 185, 215, 259, 280, 296, 301, 344, 362, 370, 430, 518, 560, 592, 602, 688, 724, 740, 860, 905, 1036, 1204, 1267, 1295, 1448, 1480, 1505, 1591, 1720, 1810, 2072, 2408, 2534, 2590, 2896, 2960, 3010, 3182, 3440, 3620, 4144, 4816, 5068, 5180, 6020, 6335, 6364, 6697, 7240, 7783, 7955, 10136, 10360, 11137, 12040, 12670, 12728, 13394, 14480, 15566, 15910, 20272, 20720, 22274, 24080, 25340, 25456, 26788, 31132, 31820, 33485, 38915, 44548, 46879, 50680, 53576, 54481, 55685, 62264, 63640, 66970, 77830, 89096, 93758, 101360, 107152, 108962, 111370, 124528, 127280, 133940, 155660, 178192, 187516, 217924, 222740, 234395, 267880, 272405, 287971, 311320, 375032, 435848, 445480, 468790, 535760, 544810, 575942, 622640, 750064, 871696, 890960, 937580, 1089620, 1151884, 1439855, 1875160, 2015797, 2179240, 2303768, 2879710, 3750320, 4031594, 4358480, 4607536, 5759420, 8063188, 10078985, 11518840, 16126376, 20157970, 23037680, 32252752, 40315940, 80631880, 161263760]

約数ペア:

[(1, 161263760), (2, 80631880), (4, 40315940), (5, 32252752), (7, 23037680), (8, 20157970), (10, 16126376), (14, 11518840), (16, 10078985), (20, 8063188), (28, 5759420), (35, 4607536), (37, 4358480), (40, 4031594), (43, 3750320), (56, 2879710), (70, 2303768), (74, 2179240), (80, 2015797), (86, 1875160), (112, 1439855), (140, 1151884), (148, 1089620), (172, 937580), (181, 890960), (185, 871696), (215, 750064), (259, 622640), (280, 575942), (296, 544810), (301, 535760), (344, 468790), (362, 445480), (370, 435848), (430, 375032), (518, 311320), (560, 287971), (592, 272405), (602, 267880), (688, 234395), (724, 222740), (740, 217924), (860, 187516), (905, 178192), (1036, 155660), (1204, 133940), (1267, 127280), (1295, 124528), (1448, 111370), (1480, 108962), (1505, 107152), (1591, 101360), (1720, 93758), (1810, 89096), (2072, 77830), (2408, 66970), (2534, 63640), (2590, 62264), (2896, 55685), (2960, 54481), (3010, 53576), (3182, 50680), (3440, 46879), (3620, 44548), (4144, 38915), (4816, 33485), (5068, 31820), (5180, 31132), (6020, 26788), (6335, 25456), (6364, 25340), (6697, 24080), (7240, 22274), (7783, 20720), (7955, 20272), (10136, 15910), (10360, 15566), (11137, 14480), (12040, 13394), (12670, 12728)]