68612800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 168

約数和(自身を含む): 185511440

約数和(自身を除く): 116898640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 37, 38, 40, 50, 61, 64, 74, 76, 80, 95, 100, 122, 148, 152, 160, 185, 190, 200, 244, 296, 304, 305, 320, 370, 380, 400, 475, 488, 592, 608, 610, 703, 740, 760, 800, 925, 950, 976, 1159, 1184, 1216, 1220, 1406, 1480, 1520, 1525, 1600, 1850, 1900, 1952, 2257, 2318, 2368, 2440, 2812, 2960, 3040, 3050, 3515, 3700, 3800, 3904, 4514, 4636, 4880, 5624, 5795, 5920, 6080, 6100, 7030, 7400, 7600, 9028, 9272, 9760, 11248, 11285, 11590, 11840, 12200, 14060, 14800, 15200, 17575, 18056, 18544, 19520, 22496, 22570, 23180, 24400, 28120, 28975, 29600, 30400, 35150, 36112, 37088, 42883, 44992, 45140, 46360, 48800, 56240, 56425, 57950, 59200, 70300, 72224, 74176, 85766, 90280, 92720, 97600, 112480, 112850, 115900, 140600, 144448, 171532, 180560, 185440, 214415, 224960, 225700, 231800, 281200, 343064, 361120, 370880, 428830, 451400, 463600, 562400, 686128, 722240, 857660, 902800, 927200, 1072075, 1124800, 1372256, 1715320, 1805600, 1854400, 2144150, 2744512, 3430640, 3611200, 4288300, 6861280, 8576600, 13722560, 17153200, 34306400, 68612800]

約数ペア:

[(1, 68612800), (2, 34306400), (4, 17153200), (5, 13722560), (8, 8576600), (10, 6861280), (16, 4288300), (19, 3611200), (20, 3430640), (25, 2744512), (32, 2144150), (37, 1854400), (38, 1805600), (40, 1715320), (50, 1372256), (61, 1124800), (64, 1072075), (74, 927200), (76, 902800), (80, 857660), (95, 722240), (100, 686128), (122, 562400), (148, 463600), (152, 451400), (160, 428830), (185, 370880), (190, 361120), (200, 343064), (244, 281200), (296, 231800), (304, 225700), (305, 224960), (320, 214415), (370, 185440), (380, 180560), (400, 171532), (475, 144448), (488, 140600), (592, 115900), (608, 112850), (610, 112480), (703, 97600), (740, 92720), (760, 90280), (800, 85766), (925, 74176), (950, 72224), (976, 70300), (1159, 59200), (1184, 57950), (1216, 56425), (1220, 56240), (1406, 48800), (1480, 46360), (1520, 45140), (1525, 44992), (1600, 42883), (1850, 37088), (1900, 36112), (1952, 35150), (2257, 30400), (2318, 29600), (2368, 28975), (2440, 28120), (2812, 24400), (2960, 23180), (3040, 22570), (3050, 22496), (3515, 19520), (3700, 18544), (3800, 18056), (3904, 17575), (4514, 15200), (4636, 14800), (4880, 14060), (5624, 12200), (5795, 11840), (5920, 11590), (6080, 11285), (6100, 11248), (7030, 9760), (7400, 9272), (7600, 9028)]