7777280

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 132

約数和(自身を含む): 22402368

約数和(自身を除く): 14625088

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, 2170, 2240, 2480, 2560, 3038, 3136, 3472, 3584, 3920, 3968, 4340, 4480, 4960, 5120, 6076, 6272, 6944, 7168, 7595, 7840, 7936, 8680, 8960, 9920, 12152, 12544, 13888, 15190, 15680, 15872, 17360, 17920, 19840, 24304, 25088, 27776, 30380, 31360, 31744, 34720, 35840, 39680, 48608, 50176, 55552, 60760, 62720, 69440, 79360, 97216, 111104, 121520, 125440, 138880, 158720, 194432, 222208, 243040, 250880, 277760, 388864, 486080, 555520, 777728, 972160, 1111040, 1555456, 1944320, 3888640, 7777280]

約数ペア:

[(1, 7777280), (2, 3888640), (4, 1944320), (5, 1555456), (7, 1111040), (8, 972160), (10, 777728), (14, 555520), (16, 486080), (20, 388864), (28, 277760), (31, 250880), (32, 243040), (35, 222208), (40, 194432), (49, 158720), (56, 138880), (62, 125440), (64, 121520), (70, 111104), (80, 97216), (98, 79360), (112, 69440), (124, 62720), (128, 60760), (140, 55552), (155, 50176), (160, 48608), (196, 39680), (217, 35840), (224, 34720), (245, 31744), (248, 31360), (256, 30380), (280, 27776), (310, 25088), (320, 24304), (392, 19840), (434, 17920), (448, 17360), (490, 15872), (496, 15680), (512, 15190), (560, 13888), (620, 12544), (640, 12152), (784, 9920), (868, 8960), (896, 8680), (980, 7936), (992, 7840), (1024, 7595), (1085, 7168), (1120, 6944), (1240, 6272), (1280, 6076), (1519, 5120), (1568, 4960), (1736, 4480), (1792, 4340), (1960, 3968), (1984, 3920), (2170, 3584), (2240, 3472), (2480, 3136), (2560, 3038)]