15554560

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 29261120

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, 4340, 4480, 4960, 5120, 6076, 6272, 6944, 7168, 7595, 7840, 7936, 8680, 8960, 9920, 10240, 12152, 12544, 13888, 14336, 15190, 15680, 15872, 17360, 17920, 19840, 24304, 25088, 27776, 30380, 31360, 31744, 34720, 35840, 39680, 48608, 50176, 55552, 60760, 62720, 63488, 69440, 71680, 79360, 97216, 100352, 111104, 121520, 125440, 138880, 158720, 194432, 222208, 243040, 250880, 277760, 317440, 388864, 444416, 486080, 501760, 555520, 777728, 972160, 1111040, 1555456, 1944320, 2222080, 3110912, 3888640, 7777280, 15554560]

約数ペア:

[(1, 15554560), (2, 7777280), (4, 3888640), (5, 3110912), (7, 2222080), (8, 1944320), (10, 1555456), (14, 1111040), (16, 972160), (20, 777728), (28, 555520), (31, 501760), (32, 486080), (35, 444416), (40, 388864), (49, 317440), (56, 277760), (62, 250880), (64, 243040), (70, 222208), (80, 194432), (98, 158720), (112, 138880), (124, 125440), (128, 121520), (140, 111104), (155, 100352), (160, 97216), (196, 79360), (217, 71680), (224, 69440), (245, 63488), (248, 62720), (256, 60760), (280, 55552), (310, 50176), (320, 48608), (392, 39680), (434, 35840), (448, 34720), (490, 31744), (496, 31360), (512, 30380), (560, 27776), (620, 25088), (640, 24304), (784, 19840), (868, 17920), (896, 17360), (980, 15872), (992, 15680), (1024, 15190), (1085, 14336), (1120, 13888), (1240, 12544), (1280, 12152), (1519, 10240), (1568, 9920), (1736, 8960), (1792, 8680), (1960, 7936), (1984, 7840), (2048, 7595), (2170, 7168), (2240, 6944), (2480, 6272), (2560, 6076), (3038, 5120), (3136, 4960), (3472, 4480), (3584, 4340), (3920, 3968)]