128668320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1$

素因数の和:8155

約数の個数: 144

約数和(自身を含む): 479056032

約数和(自身を除く): 350387712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 8123, 15840, 16246, 24369, 32492, 40615, 48738, 64984, 73107, 81230, 89353, 97476, 121845, 129968, 146214, 162460, 178706, 194952, 243690, 259936, 268059, 292428, 324920, 357412, 365535, 389904, 446765, 487380, 536118, 584856, 649840, 714824, 731070, 779808, 804177, 893530, 974760, 1072236, 1169712, 1299680, 1340295, 1429648, 1462140, 1608354, 1787060, 1949520, 2144472, 2339424, 2680590, 2859296, 2924280, 3216708, 3574120, 3899040, 4020885, 4288944, 5361180, 5848560, 6433416, 7148240, 8041770, 8577888, 10722360, 11697120, 12866832, 14296480, 16083540, 21444720, 25733664, 32167080, 42889440, 64334160, 128668320]

約数ペア:

[(1, 128668320), (2, 64334160), (3, 42889440), (4, 32167080), (5, 25733664), (6, 21444720), (8, 16083540), (9, 14296480), (10, 12866832), (11, 11697120), (12, 10722360), (15, 8577888), (16, 8041770), (18, 7148240), (20, 6433416), (22, 5848560), (24, 5361180), (30, 4288944), (32, 4020885), (33, 3899040), (36, 3574120), (40, 3216708), (44, 2924280), (45, 2859296), (48, 2680590), (55, 2339424), (60, 2144472), (66, 1949520), (72, 1787060), (80, 1608354), (88, 1462140), (90, 1429648), (96, 1340295), (99, 1299680), (110, 1169712), (120, 1072236), (132, 974760), (144, 893530), (160, 804177), (165, 779808), (176, 731070), (180, 714824), (198, 649840), (220, 584856), (240, 536118), (264, 487380), (288, 446765), (330, 389904), (352, 365535), (360, 357412), (396, 324920), (440, 292428), (480, 268059), (495, 259936), (528, 243690), (660, 194952), (720, 178706), (792, 162460), (880, 146214), (990, 129968), (1056, 121845), (1320, 97476), (1440, 89353), (1584, 81230), (1760, 73107), (1980, 64984), (2640, 48738), (3168, 40615), (3960, 32492), (5280, 24369), (7920, 16246), (8123, 15840)]