81921096

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 245207040

約数和(自身を除く): 163285944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 127, 136, 153, 186, 204, 248, 254, 279, 289, 306, 372, 381, 408, 508, 527, 558, 578, 612, 744, 762, 867, 1016, 1054, 1116, 1143, 1156, 1224, 1524, 1581, 1734, 2108, 2159, 2232, 2286, 2312, 2601, 3048, 3162, 3468, 3937, 4216, 4318, 4572, 4743, 5202, 6324, 6477, 6936, 7874, 8636, 8959, 9144, 9486, 10404, 11811, 12648, 12954, 15748, 17272, 17918, 18972, 19431, 20808, 23622, 25908, 26877, 31496, 35433, 35836, 36703, 37944, 38862, 47244, 51816, 53754, 66929, 70866, 71672, 73406, 77724, 80631, 94488, 107508, 110109, 133858, 141732, 146812, 155448, 161262, 200787, 215016, 220218, 267716, 283464, 293624, 322524, 330327, 401574, 440436, 535432, 602361, 645048, 660654, 803148, 880872, 1137793, 1204722, 1321308, 1606296, 2275586, 2409444, 2642616, 3413379, 4551172, 4818888, 6826758, 9102344, 10240137, 13653516, 20480274, 27307032, 40960548, 81921096]

約数ペア:

[(1, 81921096), (2, 40960548), (3, 27307032), (4, 20480274), (6, 13653516), (8, 10240137), (9, 9102344), (12, 6826758), (17, 4818888), (18, 4551172), (24, 3413379), (31, 2642616), (34, 2409444), (36, 2275586), (51, 1606296), (62, 1321308), (68, 1204722), (72, 1137793), (93, 880872), (102, 803148), (124, 660654), (127, 645048), (136, 602361), (153, 535432), (186, 440436), (204, 401574), (248, 330327), (254, 322524), (279, 293624), (289, 283464), (306, 267716), (372, 220218), (381, 215016), (408, 200787), (508, 161262), (527, 155448), (558, 146812), (578, 141732), (612, 133858), (744, 110109), (762, 107508), (867, 94488), (1016, 80631), (1054, 77724), (1116, 73406), (1143, 71672), (1156, 70866), (1224, 66929), (1524, 53754), (1581, 51816), (1734, 47244), (2108, 38862), (2159, 37944), (2232, 36703), (2286, 35836), (2312, 35433), (2601, 31496), (3048, 26877), (3162, 25908), (3468, 23622), (3937, 20808), (4216, 19431), (4318, 18972), (4572, 17918), (4743, 17272), (5202, 15748), (6324, 12954), (6477, 12648), (6936, 11811), (7874, 10404), (8636, 9486), (8959, 9144)]