248872960

素因数分解:

$2^{15}\times 5^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 717215040

約数和(自身を除く): 468342080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 320, 392, 434, 448, 490, 496, 512, 560, 620, 640, 784, 868, 896, 980, 992, 1024, 1085, 1120, 1240, 1280, 1519, 1568, 1736, 1792, 1960, 1984, 2048, 2170, 2240, 2480, 2560, 3038, 3136, 3472, 3584, 3920, 3968, 4096, 4340, 4480, 4960, 5120, 6076, 6272, 6944, 7168, 7595, 7840, 7936, 8192, 8680, 8960, 9920, 10240, 12152, 12544, 13888, 14336, 15190, 15680, 15872, 16384, 17360, 17920, 19840, 20480, 24304, 25088, 27776, 28672, 30380, 31360, 31744, 32768, 34720, 35840, 39680, 40960, 48608, 50176, 55552, 57344, 60760, 62720, 63488, 69440, 71680, 79360, 81920, 97216, 100352, 111104, 114688, 121520, 125440, 126976, 138880, 143360, 158720, 163840, 194432, 200704, 222208, 229376, 243040, 250880, 253952, 277760, 286720, 317440, 388864, 401408, 444416, 486080, 501760, 507904, 555520, 573440, 634880, 777728, 802816, 888832, 972160, 1003520, 1015808, 1111040, 1146880, 1269760, 1555456, 1605632, 1777664, 1944320, 2007040, 2222080, 2539520, 3110912, 3555328, 3888640, 4014080, 4444160, 5079040, 6221824, 7110656, 7777280, 8028160, 8888320, 12443648, 15554560, 17776640, 24887296, 31109120, 35553280, 49774592, 62218240, 124436480, 248872960]

約数ペア:

[(1, 248872960), (2, 124436480), (4, 62218240), (5, 49774592), (7, 35553280), (8, 31109120), (10, 24887296), (14, 17776640), (16, 15554560), (20, 12443648), (28, 8888320), (31, 8028160), (32, 7777280), (35, 7110656), (40, 6221824), (49, 5079040), (56, 4444160), (62, 4014080), (64, 3888640), (70, 3555328), (80, 3110912), (98, 2539520), (112, 2222080), (124, 2007040), (128, 1944320), (140, 1777664), (155, 1605632), (160, 1555456), (196, 1269760), (217, 1146880), (224, 1111040), (245, 1015808), (248, 1003520), (256, 972160), (280, 888832), (310, 802816), (320, 777728), (392, 634880), (434, 573440), (448, 555520), (490, 507904), (496, 501760), (512, 486080), (560, 444416), (620, 401408), (640, 388864), (784, 317440), (868, 286720), (896, 277760), (980, 253952), (992, 250880), (1024, 243040), (1085, 229376), (1120, 222208), (1240, 200704), (1280, 194432), (1519, 163840), (1568, 158720), (1736, 143360), (1792, 138880), (1960, 126976), (1984, 125440), (2048, 121520), (2170, 114688), (2240, 111104), (2480, 100352), (2560, 97216), (3038, 81920), (3136, 79360), (3472, 71680), (3584, 69440), (3920, 63488), (3968, 62720), (4096, 60760), (4340, 57344), (4480, 55552), (4960, 50176), (5120, 48608), (6076, 40960), (6272, 39680), (6944, 35840), (7168, 34720), (7595, 32768), (7840, 31744), (7936, 31360), (8192, 30380), (8680, 28672), (8960, 27776), (9920, 25088), (10240, 24304), (12152, 20480), (12544, 19840), (13888, 17920), (14336, 17360), (15190, 16384), (15680, 15872)]