81508680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2321

約数の個数: 160

約数和(自身を含む): 298995840

約数和(自身を除く): 217487160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 792, 810, 891, 990, 1080, 1188, 1320, 1485, 1620, 1782, 1980, 2287, 2376, 2970, 3240, 3564, 3960, 4455, 4574, 5940, 6861, 7128, 8910, 9148, 11435, 11880, 13722, 17820, 18296, 20583, 22870, 25157, 27444, 34305, 35640, 41166, 45740, 50314, 54888, 61749, 68610, 75471, 82332, 91480, 100628, 102915, 123498, 125785, 137220, 150942, 164664, 185247, 201256, 205830, 226413, 246996, 251570, 274440, 301884, 308745, 370494, 377355, 411660, 452826, 493992, 503140, 603768, 617490, 679239, 740988, 754710, 823320, 905652, 926235, 1006280, 1132065, 1234980, 1358478, 1481976, 1509420, 1811304, 1852470, 2037717, 2264130, 2469960, 2716956, 3018840, 3396195, 3704940, 4075434, 4528260, 5433912, 6792390, 7409880, 8150868, 9056520, 10188585, 13584780, 16301736, 20377170, 27169560, 40754340, 81508680]

約数ペア:

[(1, 81508680), (2, 40754340), (3, 27169560), (4, 20377170), (5, 16301736), (6, 13584780), (8, 10188585), (9, 9056520), (10, 8150868), (11, 7409880), (12, 6792390), (15, 5433912), (18, 4528260), (20, 4075434), (22, 3704940), (24, 3396195), (27, 3018840), (30, 2716956), (33, 2469960), (36, 2264130), (40, 2037717), (44, 1852470), (45, 1811304), (54, 1509420), (55, 1481976), (60, 1358478), (66, 1234980), (72, 1132065), (81, 1006280), (88, 926235), (90, 905652), (99, 823320), (108, 754710), (110, 740988), (120, 679239), (132, 617490), (135, 603768), (162, 503140), (165, 493992), (180, 452826), (198, 411660), (216, 377355), (220, 370494), (264, 308745), (270, 301884), (297, 274440), (324, 251570), (330, 246996), (360, 226413), (396, 205830), (405, 201256), (440, 185247), (495, 164664), (540, 150942), (594, 137220), (648, 125785), (660, 123498), (792, 102915), (810, 100628), (891, 91480), (990, 82332), (1080, 75471), (1188, 68610), (1320, 61749), (1485, 54888), (1620, 50314), (1782, 45740), (1980, 41166), (2287, 35640), (2376, 34305), (2970, 27444), (3240, 25157), (3564, 22870), (3960, 20583), (4455, 18296), (4574, 17820), (5940, 13722), (6861, 11880), (7128, 11435), (8910, 9148)]