85218840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4831}}^1$

素因数の和:4862

約数の個数: 144

約数和(自身を含む): 322246080

約数和(自身を除く): 237027240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4831, 5880, 8820, 9662, 14493, 17640, 19324, 24155, 28986, 33817, 38648, 43479, 48310, 57972, 67634, 72465, 86958, 96620, 101451, 115944, 135268, 144930, 169085, 173916, 193240, 202902, 217395, 236719, 270536, 289860, 304353, 338170, 347832, 405804, 434790, 473438, 507255, 579720, 608706, 676340, 710157, 811608, 869580, 946876, 1014510, 1183595, 1217412, 1352680, 1420314, 1521765, 1739160, 1893752, 2029020, 2130471, 2367190, 2434824, 2840628, 3043530, 3550785, 4058040, 4260942, 4734380, 5681256, 6087060, 7101570, 8521884, 9468760, 10652355, 12174120, 14203140, 17043768, 21304710, 28406280, 42609420, 85218840]

約数ペア:

[(1, 85218840), (2, 42609420), (3, 28406280), (4, 21304710), (5, 17043768), (6, 14203140), (7, 12174120), (8, 10652355), (9, 9468760), (10, 8521884), (12, 7101570), (14, 6087060), (15, 5681256), (18, 4734380), (20, 4260942), (21, 4058040), (24, 3550785), (28, 3043530), (30, 2840628), (35, 2434824), (36, 2367190), (40, 2130471), (42, 2029020), (45, 1893752), (49, 1739160), (56, 1521765), (60, 1420314), (63, 1352680), (70, 1217412), (72, 1183595), (84, 1014510), (90, 946876), (98, 869580), (105, 811608), (120, 710157), (126, 676340), (140, 608706), (147, 579720), (168, 507255), (180, 473438), (196, 434790), (210, 405804), (245, 347832), (252, 338170), (280, 304353), (294, 289860), (315, 270536), (360, 236719), (392, 217395), (420, 202902), (441, 193240), (490, 173916), (504, 169085), (588, 144930), (630, 135268), (735, 115944), (840, 101451), (882, 96620), (980, 86958), (1176, 72465), (1260, 67634), (1470, 57972), (1764, 48310), (1960, 43479), (2205, 38648), (2520, 33817), (2940, 28986), (3528, 24155), (4410, 19324), (4831, 17640), (5880, 14493), (8820, 9662)]