65864820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 219941568

約数和(自身を除く): 154076748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 521, 588, 602, 645, 735, 860, 903, 980, 1042, 1204, 1290, 1470, 1505, 1563, 1806, 2084, 2107, 2580, 2605, 2940, 3010, 3126, 3612, 3647, 4214, 4515, 5210, 6020, 6252, 6321, 7294, 7815, 8428, 9030, 10420, 10535, 10941, 12642, 14588, 15630, 18060, 18235, 21070, 21882, 22403, 25284, 25529, 31260, 31605, 36470, 42140, 43764, 44806, 51058, 54705, 63210, 67209, 72940, 76587, 89612, 102116, 109410, 112015, 126420, 127645, 134418, 153174, 156821, 218820, 224030, 255290, 268836, 306348, 313642, 336045, 382935, 448060, 470463, 510580, 627284, 672090, 765870, 784105, 940926, 1097747, 1344180, 1531740, 1568210, 1881852, 2195494, 2352315, 3136420, 3293241, 4390988, 4704630, 5488735, 6586482, 9409260, 10977470, 13172964, 16466205, 21954940, 32932410, 65864820]

約数ペア:

[(1, 65864820), (2, 32932410), (3, 21954940), (4, 16466205), (5, 13172964), (6, 10977470), (7, 9409260), (10, 6586482), (12, 5488735), (14, 4704630), (15, 4390988), (20, 3293241), (21, 3136420), (28, 2352315), (30, 2195494), (35, 1881852), (42, 1568210), (43, 1531740), (49, 1344180), (60, 1097747), (70, 940926), (84, 784105), (86, 765870), (98, 672090), (105, 627284), (129, 510580), (140, 470463), (147, 448060), (172, 382935), (196, 336045), (210, 313642), (215, 306348), (245, 268836), (258, 255290), (294, 224030), (301, 218820), (420, 156821), (430, 153174), (490, 134418), (516, 127645), (521, 126420), (588, 112015), (602, 109410), (645, 102116), (735, 89612), (860, 76587), (903, 72940), (980, 67209), (1042, 63210), (1204, 54705), (1290, 51058), (1470, 44806), (1505, 43764), (1563, 42140), (1806, 36470), (2084, 31605), (2107, 31260), (2580, 25529), (2605, 25284), (2940, 22403), (3010, 21882), (3126, 21070), (3612, 18235), (3647, 18060), (4214, 15630), (4515, 14588), (5210, 12642), (6020, 10941), (6252, 10535), (6321, 10420), (7294, 9030), (7815, 8428)]