68810400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 216

約数和(自身を含む): 255921120

約数和(自身を除く): 187110720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 503, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 950, 1006, 1140, 1200, 1368, 1425, 1440, 1509, 1520, 1710, 1800, 1824, 1900, 2012, 2280, 2400, 2515, 2736, 2850, 3018, 3040, 3420, 3600, 3800, 4024, 4275, 4527, 4560, 5030, 5472, 5700, 6036, 6840, 7200, 7545, 7600, 8048, 8550, 9054, 9120, 9557, 10060, 11400, 12072, 12575, 13680, 15090, 15200, 16096, 17100, 18108, 19114, 20120, 22635, 22800, 24144, 25150, 27360, 28671, 30180, 34200, 36216, 37725, 38228, 40240, 45270, 45600, 47785, 48288, 50300, 57342, 60360, 68400, 72432, 75450, 76456, 80480, 86013, 90540, 95570, 100600, 113175, 114684, 120720, 136800, 143355, 144864, 150900, 152912, 172026, 181080, 191140, 201200, 226350, 229368, 238925, 241440, 286710, 301800, 305824, 344052, 362160, 382280, 402400, 430065, 452700, 458736, 477850, 573420, 603600, 688104, 716775, 724320, 764560, 860130, 905400, 917472, 955700, 1146840, 1207200, 1376208, 1433550, 1529120, 1720260, 1810800, 1911400, 2150325, 2293680, 2752416, 2867100, 3440520, 3621600, 3822800, 4300650, 4587360, 5734200, 6881040, 7645600, 8601300, 11468400, 13762080, 17202600, 22936800, 34405200, 68810400]

約数ペア:

[(1, 68810400), (2, 34405200), (3, 22936800), (4, 17202600), (5, 13762080), (6, 11468400), (8, 8601300), (9, 7645600), (10, 6881040), (12, 5734200), (15, 4587360), (16, 4300650), (18, 3822800), (19, 3621600), (20, 3440520), (24, 2867100), (25, 2752416), (30, 2293680), (32, 2150325), (36, 1911400), (38, 1810800), (40, 1720260), (45, 1529120), (48, 1433550), (50, 1376208), (57, 1207200), (60, 1146840), (72, 955700), (75, 917472), (76, 905400), (80, 860130), (90, 764560), (95, 724320), (96, 716775), (100, 688104), (114, 603600), (120, 573420), (144, 477850), (150, 458736), (152, 452700), (160, 430065), (171, 402400), (180, 382280), (190, 362160), (200, 344052), (225, 305824), (228, 301800), (240, 286710), (285, 241440), (288, 238925), (300, 229368), (304, 226350), (342, 201200), (360, 191140), (380, 181080), (400, 172026), (450, 152912), (456, 150900), (475, 144864), (480, 143355), (503, 136800), (570, 120720), (600, 114684), (608, 113175), (684, 100600), (720, 95570), (760, 90540), (800, 86013), (855, 80480), (900, 76456), (912, 75450), (950, 72432), (1006, 68400), (1140, 60360), (1200, 57342), (1368, 50300), (1425, 48288), (1440, 47785), (1509, 45600), (1520, 45270), (1710, 40240), (1800, 38228), (1824, 37725), (1900, 36216), (2012, 34200), (2280, 30180), (2400, 28671), (2515, 27360), (2736, 25150), (2850, 24144), (3018, 22800), (3040, 22635), (3420, 20120), (3600, 19114), (3800, 18108), (4024, 17100), (4275, 16096), (4527, 15200), (4560, 15090), (5030, 13680), (5472, 12575), (5700, 12072), (6036, 11400), (6840, 10060), (7200, 9557), (7545, 9120), (7600, 9054), (8048, 8550)]