16508789920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^3\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 288

約数和(自身を含む): 48045856320

約数和(自身を除く): 31537066400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 307, 361, 380, 392, 490, 532, 560, 608, 614, 665, 722, 760, 784, 931, 980, 1064, 1120, 1228, 1330, 1444, 1520, 1535, 1568, 1805, 1862, 1960, 2128, 2149, 2456, 2527, 2660, 2888, 3040, 3070, 3610, 3724, 3920, 4256, 4298, 4655, 4912, 5054, 5320, 5776, 5833, 6140, 6859, 7220, 7448, 7840, 8596, 9310, 9824, 10108, 10640, 10745, 11552, 11666, 12280, 12635, 13718, 14440, 14896, 15043, 17192, 17689, 18620, 20216, 21280, 21490, 23332, 24560, 25270, 27436, 28880, 29165, 29792, 30086, 34295, 34384, 35378, 37240, 40432, 40831, 42980, 46664, 48013, 49120, 50540, 54872, 57760, 58330, 60172, 68590, 68768, 70756, 74480, 75215, 80864, 81662, 85960, 88445, 93328, 96026, 101080, 109744, 110827, 116660, 120344, 137180, 141512, 148960, 150430, 163324, 171920, 176890, 186656, 192052, 202160, 204155, 219488, 221654, 233320, 240065, 240688, 274360, 283024, 285817, 300860, 326648, 336091, 343840, 353780, 384104, 404320, 408310, 443308, 466640, 480130, 481376, 548720, 554135, 566048, 571634, 601720, 653296, 672182, 707560, 768208, 775789, 816620, 886616, 933280, 960260, 1097440, 1108270, 1143268, 1203440, 1306592, 1344364, 1415120, 1429085, 1536416, 1551578, 1633240, 1680455, 1773232, 1920520, 2105713, 2216540, 2286536, 2406880, 2688728, 2830240, 2858170, 3103156, 3266480, 3360910, 3546464, 3841040, 3878945, 4211426, 4433080, 4573072, 5377456, 5430523, 5716340, 6206312, 6532960, 6721820, 7682080, 7757890, 8422852, 8866160, 9146144, 10528565, 10754912, 10861046, 11432680, 12412624, 13443640, 14739991, 15515780, 16845704, 17732320, 21057130, 21722092, 22865360, 24825248, 26887280, 27152615, 29479982, 31031560, 33691408, 42114260, 43444184, 45730720, 53774560, 54305230, 58959964, 62063120, 67382816, 73699955, 84228520, 86888368, 103179937, 108610460, 117919928, 124126240, 147399910, 168457040, 173776736, 206359874, 217220920, 235839856, 294799820, 336914080, 412719748, 434441840, 471679712, 515899685, 589599640, 825439496, 868883680, 1031799370, 1179199280, 1650878992, 2063598740, 2358398560, 3301757984, 4127197480, 8254394960, 16508789920]

約数ペア:

[(1, 16508789920), (2, 8254394960), (4, 4127197480), (5, 3301757984), (7, 2358398560), (8, 2063598740), (10, 1650878992), (14, 1179199280), (16, 1031799370), (19, 868883680), (20, 825439496), (28, 589599640), (32, 515899685), (35, 471679712), (38, 434441840), (40, 412719748), (49, 336914080), (56, 294799820), (70, 235839856), (76, 217220920), (80, 206359874), (95, 173776736), (98, 168457040), (112, 147399910), (133, 124126240), (140, 117919928), (152, 108610460), (160, 103179937), (190, 86888368), (196, 84228520), (224, 73699955), (245, 67382816), (266, 62063120), (280, 58959964), (304, 54305230), (307, 53774560), (361, 45730720), (380, 43444184), (392, 42114260), (490, 33691408), (532, 31031560), (560, 29479982), (608, 27152615), (614, 26887280), (665, 24825248), (722, 22865360), (760, 21722092), (784, 21057130), (931, 17732320), (980, 16845704), (1064, 15515780), (1120, 14739991), (1228, 13443640), (1330, 12412624), (1444, 11432680), (1520, 10861046), (1535, 10754912), (1568, 10528565), (1805, 9146144), (1862, 8866160), (1960, 8422852), (2128, 7757890), (2149, 7682080), (2456, 6721820), (2527, 6532960), (2660, 6206312), (2888, 5716340), (3040, 5430523), (3070, 5377456), (3610, 4573072), (3724, 4433080), (3920, 4211426), (4256, 3878945), (4298, 3841040), (4655, 3546464), (4912, 3360910), (5054, 3266480), (5320, 3103156), (5776, 2858170), (5833, 2830240), (6140, 2688728), (6859, 2406880), (7220, 2286536), (7448, 2216540), (7840, 2105713), (8596, 1920520), (9310, 1773232), (9824, 1680455), (10108, 1633240), (10640, 1551578), (10745, 1536416), (11552, 1429085), (11666, 1415120), (12280, 1344364), (12635, 1306592), (13718, 1203440), (14440, 1143268), (14896, 1108270), (15043, 1097440), (17192, 960260), (17689, 933280), (18620, 886616), (20216, 816620), (21280, 775789), (21490, 768208), (23332, 707560), (24560, 672182), (25270, 653296), (27436, 601720), (28880, 571634), (29165, 566048), (29792, 554135), (30086, 548720), (34295, 481376), (34384, 480130), (35378, 466640), (37240, 443308), (40432, 408310), (40831, 404320), (42980, 384104), (46664, 353780), (48013, 343840), (49120, 336091), (50540, 326648), (54872, 300860), (57760, 285817), (58330, 283024), (60172, 274360), (68590, 240688), (68768, 240065), (70756, 233320), (74480, 221654), (75215, 219488), (80864, 204155), (81662, 202160), (85960, 192052), (88445, 186656), (93328, 176890), (96026, 171920), (101080, 163324), (109744, 150430), (110827, 148960), (116660, 141512), (120344, 137180)]