161729256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 295499544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 47, 52, 78, 82, 94, 104, 123, 141, 156, 164, 188, 246, 269, 282, 312, 328, 376, 492, 533, 538, 564, 611, 807, 984, 1066, 1076, 1128, 1222, 1599, 1614, 1833, 1927, 2132, 2152, 2444, 3198, 3228, 3497, 3666, 3854, 4264, 4888, 5781, 6396, 6456, 6994, 7332, 7708, 10491, 11029, 11562, 12643, 12792, 13988, 14664, 15416, 20982, 22058, 23124, 25051, 25286, 27976, 33087, 37929, 41964, 44116, 46248, 50102, 50572, 66174, 75153, 75858, 83928, 88232, 100204, 101144, 132348, 143377, 150306, 151716, 164359, 200408, 264696, 286754, 300612, 303432, 328718, 430131, 493077, 518363, 573508, 601224, 657436, 860262, 986154, 1036726, 1147016, 1314872, 1555089, 1720524, 1972308, 2073452, 3110178, 3441048, 3944616, 4146904, 6220356, 6738719, 12440712, 13477438, 20216157, 26954876, 40432314, 53909752, 80864628, 161729256]

約数ペア:

[(1, 161729256), (2, 80864628), (3, 53909752), (4, 40432314), (6, 26954876), (8, 20216157), (12, 13477438), (13, 12440712), (24, 6738719), (26, 6220356), (39, 4146904), (41, 3944616), (47, 3441048), (52, 3110178), (78, 2073452), (82, 1972308), (94, 1720524), (104, 1555089), (123, 1314872), (141, 1147016), (156, 1036726), (164, 986154), (188, 860262), (246, 657436), (269, 601224), (282, 573508), (312, 518363), (328, 493077), (376, 430131), (492, 328718), (533, 303432), (538, 300612), (564, 286754), (611, 264696), (807, 200408), (984, 164359), (1066, 151716), (1076, 150306), (1128, 143377), (1222, 132348), (1599, 101144), (1614, 100204), (1833, 88232), (1927, 83928), (2132, 75858), (2152, 75153), (2444, 66174), (3198, 50572), (3228, 50102), (3497, 46248), (3666, 44116), (3854, 41964), (4264, 37929), (4888, 33087), (5781, 27976), (6396, 25286), (6456, 25051), (6994, 23124), (7332, 22058), (7708, 20982), (10491, 15416), (11029, 14664), (11562, 13988), (12643, 12792)]