131616320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 112

約数和(自身を含む): 345643200

約数和(自身を除く): 214026880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 139, 160, 176, 220, 269, 278, 320, 352, 440, 538, 556, 695, 704, 880, 1076, 1112, 1345, 1390, 1529, 1760, 2152, 2224, 2690, 2780, 2959, 3058, 3520, 4304, 4448, 5380, 5560, 5918, 6116, 7645, 8608, 8896, 10760, 11120, 11836, 12232, 14795, 15290, 17216, 21520, 22240, 23672, 24464, 29590, 30580, 37391, 43040, 44480, 47344, 48928, 59180, 61160, 74782, 86080, 94688, 97856, 118360, 122320, 149564, 186955, 189376, 236720, 244640, 299128, 373910, 411301, 473440, 489280, 598256, 747820, 822602, 946880, 1196512, 1495640, 1645204, 2056505, 2393024, 2991280, 3290408, 4113010, 5982560, 6580816, 8226020, 11965120, 13161632, 16452040, 26323264, 32904080, 65808160, 131616320]

約数ペア:

[(1, 131616320), (2, 65808160), (4, 32904080), (5, 26323264), (8, 16452040), (10, 13161632), (11, 11965120), (16, 8226020), (20, 6580816), (22, 5982560), (32, 4113010), (40, 3290408), (44, 2991280), (55, 2393024), (64, 2056505), (80, 1645204), (88, 1495640), (110, 1196512), (139, 946880), (160, 822602), (176, 747820), (220, 598256), (269, 489280), (278, 473440), (320, 411301), (352, 373910), (440, 299128), (538, 244640), (556, 236720), (695, 189376), (704, 186955), (880, 149564), (1076, 122320), (1112, 118360), (1345, 97856), (1390, 94688), (1529, 86080), (1760, 74782), (2152, 61160), (2224, 59180), (2690, 48928), (2780, 47344), (2959, 44480), (3058, 43040), (3520, 37391), (4304, 30580), (4448, 29590), (5380, 24464), (5560, 23672), (5918, 22240), (6116, 21520), (7645, 17216), (8608, 15290), (8896, 14795), (10760, 12232), (11120, 11836)]