639852480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:848

約数の個数: 224

約数和(自身を含む): 2282342400

約数和(自身を除く): 1642489920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 103, 108, 120, 135, 144, 160, 180, 192, 206, 216, 240, 270, 288, 309, 320, 360, 412, 432, 480, 515, 540, 576, 618, 719, 720, 824, 864, 927, 960, 1030, 1080, 1236, 1438, 1440, 1545, 1648, 1728, 1854, 2060, 2157, 2160, 2472, 2781, 2876, 2880, 3090, 3296, 3595, 3708, 4120, 4314, 4320, 4635, 4944, 5562, 5752, 6180, 6471, 6592, 7190, 7416, 8240, 8628, 8640, 9270, 9888, 10785, 11124, 11504, 12360, 12942, 13905, 14380, 14832, 16480, 17256, 18540, 19413, 19776, 21570, 22248, 23008, 24720, 25884, 27810, 28760, 29664, 32355, 32960, 34512, 37080, 38826, 43140, 44496, 46016, 49440, 51768, 55620, 57520, 59328, 64710, 69024, 74057, 74160, 77652, 86280, 88992, 97065, 98880, 103536, 111240, 115040, 129420, 138048, 148114, 148320, 155304, 172560, 177984, 194130, 207072, 222171, 222480, 230080, 258840, 296228, 296640, 310608, 345120, 370285, 388260, 414144, 444342, 444960, 517680, 592456, 621216, 666513, 690240, 740570, 776520, 888684, 889920, 1035360, 1110855, 1184912, 1242432, 1333026, 1481140, 1553040, 1777368, 1999539, 2070720, 2221710, 2369824, 2666052, 2962280, 3106080, 3332565, 3554736, 3999078, 4443420, 4739648, 5332104, 5924560, 6212160, 6665130, 7109472, 7998156, 8886840, 9997695, 10664208, 11849120, 13330260, 14218944, 15996312, 17773680, 19995390, 21328416, 23698240, 26660520, 31992624, 35547360, 39990780, 42656832, 53321040, 63985248, 71094720, 79981560, 106642080, 127970496, 159963120, 213284160, 319926240, 639852480]

約数ペア:

[(1, 639852480), (2, 319926240), (3, 213284160), (4, 159963120), (5, 127970496), (6, 106642080), (8, 79981560), (9, 71094720), (10, 63985248), (12, 53321040), (15, 42656832), (16, 39990780), (18, 35547360), (20, 31992624), (24, 26660520), (27, 23698240), (30, 21328416), (32, 19995390), (36, 17773680), (40, 15996312), (45, 14218944), (48, 13330260), (54, 11849120), (60, 10664208), (64, 9997695), (72, 8886840), (80, 7998156), (90, 7109472), (96, 6665130), (103, 6212160), (108, 5924560), (120, 5332104), (135, 4739648), (144, 4443420), (160, 3999078), (180, 3554736), (192, 3332565), (206, 3106080), (216, 2962280), (240, 2666052), (270, 2369824), (288, 2221710), (309, 2070720), (320, 1999539), (360, 1777368), (412, 1553040), (432, 1481140), (480, 1333026), (515, 1242432), (540, 1184912), (576, 1110855), (618, 1035360), (719, 889920), (720, 888684), (824, 776520), (864, 740570), (927, 690240), (960, 666513), (1030, 621216), (1080, 592456), (1236, 517680), (1438, 444960), (1440, 444342), (1545, 414144), (1648, 388260), (1728, 370285), (1854, 345120), (2060, 310608), (2157, 296640), (2160, 296228), (2472, 258840), (2781, 230080), (2876, 222480), (2880, 222171), (3090, 207072), (3296, 194130), (3595, 177984), (3708, 172560), (4120, 155304), (4314, 148320), (4320, 148114), (4635, 138048), (4944, 129420), (5562, 115040), (5752, 111240), (6180, 103536), (6471, 98880), (6592, 97065), (7190, 88992), (7416, 86280), (8240, 77652), (8628, 74160), (8640, 74057), (9270, 69024), (9888, 64710), (10785, 59328), (11124, 57520), (11504, 55620), (12360, 51768), (12942, 49440), (13905, 46016), (14380, 44496), (14832, 43140), (16480, 38826), (17256, 37080), (18540, 34512), (19413, 32960), (19776, 32355), (21570, 29664), (22248, 28760), (23008, 27810), (24720, 25884)]