21254799360

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 256

約数和(自身を含む): 68965888320

約数和(自身を除く): 47711088960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 512, 521, 640, 664, 768, 830, 960, 996, 1024, 1042, 1245, 1280, 1328, 1536, 1563, 1660, 1920, 1992, 2048, 2084, 2490, 2560, 2605, 2656, 3072, 3126, 3320, 3840, 3984, 4096, 4168, 4980, 5120, 5210, 5312, 6144, 6252, 6640, 7680, 7815, 7968, 8192, 8336, 9960, 10240, 10420, 10624, 12288, 12504, 13280, 15360, 15630, 15936, 16384, 16672, 19920, 20480, 20840, 21248, 24576, 25008, 26560, 30720, 31260, 31872, 32768, 33344, 39840, 40960, 41680, 42496, 43243, 49152, 50016, 53120, 61440, 62520, 63744, 66688, 79680, 81920, 83360, 84992, 86486, 98304, 100032, 106240, 122880, 125040, 127488, 129729, 133376, 159360, 163840, 166720, 169984, 172972, 200064, 212480, 216215, 245760, 250080, 254976, 259458, 266752, 318720, 333440, 339968, 345944, 400128, 424960, 432430, 491520, 500160, 509952, 518916, 533504, 637440, 648645, 666880, 679936, 691888, 800256, 849920, 864860, 1000320, 1019904, 1037832, 1067008, 1274880, 1297290, 1333760, 1359872, 1383776, 1600512, 1699840, 1729720, 2000640, 2039808, 2075664, 2134016, 2549760, 2594580, 2667520, 2719744, 2767552, 3201024, 3399680, 3459440, 4001280, 4079616, 4151328, 4268032, 5099520, 5189160, 5335040, 5535104, 6402048, 6799360, 6918880, 8002560, 8159232, 8302656, 8536064, 10199040, 10378320, 10670080, 11070208, 12804096, 13598720, 13837760, 16005120, 16605312, 17072128, 20398080, 20756640, 21340160, 22140416, 25608192, 27675520, 32010240, 33210624, 40796160, 41513280, 42680320, 44280832, 51216384, 55351040, 64020480, 66421248, 83026560, 85360640, 88561664, 110702080, 128040960, 132842496, 166053120, 177123328, 221404160, 256081920, 265684992, 332106240, 354246656, 442808320, 531369984, 664212480, 708493312, 885616640, 1062739968, 1328424960, 1416986624, 1771233280, 2125479936, 2656849920, 3542466560, 4250959872, 5313699840, 7084933120, 10627399680, 21254799360]

約数ペア:

[(1, 21254799360), (2, 10627399680), (3, 7084933120), (4, 5313699840), (5, 4250959872), (6, 3542466560), (8, 2656849920), (10, 2125479936), (12, 1771233280), (15, 1416986624), (16, 1328424960), (20, 1062739968), (24, 885616640), (30, 708493312), (32, 664212480), (40, 531369984), (48, 442808320), (60, 354246656), (64, 332106240), (80, 265684992), (83, 256081920), (96, 221404160), (120, 177123328), (128, 166053120), (160, 132842496), (166, 128040960), (192, 110702080), (240, 88561664), (249, 85360640), (256, 83026560), (320, 66421248), (332, 64020480), (384, 55351040), (415, 51216384), (480, 44280832), (498, 42680320), (512, 41513280), (521, 40796160), (640, 33210624), (664, 32010240), (768, 27675520), (830, 25608192), (960, 22140416), (996, 21340160), (1024, 20756640), (1042, 20398080), (1245, 17072128), (1280, 16605312), (1328, 16005120), (1536, 13837760), (1563, 13598720), (1660, 12804096), (1920, 11070208), (1992, 10670080), (2048, 10378320), (2084, 10199040), (2490, 8536064), (2560, 8302656), (2605, 8159232), (2656, 8002560), (3072, 6918880), (3126, 6799360), (3320, 6402048), (3840, 5535104), (3984, 5335040), (4096, 5189160), (4168, 5099520), (4980, 4268032), (5120, 4151328), (5210, 4079616), (5312, 4001280), (6144, 3459440), (6252, 3399680), (6640, 3201024), (7680, 2767552), (7815, 2719744), (7968, 2667520), (8192, 2594580), (8336, 2549760), (9960, 2134016), (10240, 2075664), (10420, 2039808), (10624, 2000640), (12288, 1729720), (12504, 1699840), (13280, 1600512), (15360, 1383776), (15630, 1359872), (15936, 1333760), (16384, 1297290), (16672, 1274880), (19920, 1067008), (20480, 1037832), (20840, 1019904), (21248, 1000320), (24576, 864860), (25008, 849920), (26560, 800256), (30720, 691888), (31260, 679936), (31872, 666880), (32768, 648645), (33344, 637440), (39840, 533504), (40960, 518916), (41680, 509952), (42496, 500160), (43243, 491520), (49152, 432430), (50016, 424960), (53120, 400128), (61440, 345944), (62520, 339968), (63744, 333440), (66688, 318720), (79680, 266752), (81920, 259458), (83360, 254976), (84992, 250080), (86486, 245760), (98304, 216215), (100032, 212480), (106240, 200064), (122880, 172972), (125040, 169984), (127488, 166720), (129729, 163840), (133376, 159360)]