128671344

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:523

約数の個数: 120

約数和(自身を含む): 383011200

約数和(自身を除く): 254339856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 131, 144, 152, 171, 228, 262, 304, 342, 359, 393, 456, 524, 684, 718, 786, 912, 1048, 1077, 1179, 1368, 1436, 1572, 2096, 2154, 2358, 2489, 2736, 2872, 3144, 3231, 4308, 4716, 4978, 5744, 6288, 6462, 6821, 7467, 8616, 9432, 9956, 12924, 13642, 14934, 17232, 18864, 19912, 20463, 22401, 25848, 27284, 29868, 39824, 40926, 44802, 47029, 51696, 54568, 59736, 61389, 81852, 89604, 94058, 109136, 119472, 122778, 141087, 163704, 179208, 188116, 245556, 282174, 327408, 358416, 376232, 423261, 491112, 564348, 752464, 846522, 893551, 982224, 1128696, 1693044, 1787102, 2257392, 2680653, 3386088, 3574204, 5361306, 6772176, 7148408, 8041959, 10722612, 14296816, 16083918, 21445224, 32167836, 42890448, 64335672, 128671344]

約数ペア:

[(1, 128671344), (2, 64335672), (3, 42890448), (4, 32167836), (6, 21445224), (8, 16083918), (9, 14296816), (12, 10722612), (16, 8041959), (18, 7148408), (19, 6772176), (24, 5361306), (36, 3574204), (38, 3386088), (48, 2680653), (57, 2257392), (72, 1787102), (76, 1693044), (114, 1128696), (131, 982224), (144, 893551), (152, 846522), (171, 752464), (228, 564348), (262, 491112), (304, 423261), (342, 376232), (359, 358416), (393, 327408), (456, 282174), (524, 245556), (684, 188116), (718, 179208), (786, 163704), (912, 141087), (1048, 122778), (1077, 119472), (1179, 109136), (1368, 94058), (1436, 89604), (1572, 81852), (2096, 61389), (2154, 59736), (2358, 54568), (2489, 51696), (2736, 47029), (2872, 44802), (3144, 40926), (3231, 39824), (4308, 29868), (4716, 27284), (4978, 25848), (5744, 22401), (6288, 20463), (6462, 19912), (6821, 18864), (7467, 17232), (8616, 14934), (9432, 13642), (9956, 12924)]