72790480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 203558400

約数和(自身を除く): 130767920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 599, 620, 784, 868, 980, 1085, 1198, 1240, 1519, 1736, 1960, 2170, 2396, 2480, 2995, 3038, 3472, 3920, 4193, 4340, 4792, 5990, 6076, 7595, 8386, 8680, 9584, 11980, 12152, 15190, 16772, 17360, 18569, 20965, 23960, 24304, 29351, 30380, 33544, 37138, 41930, 47920, 58702, 60760, 67088, 74276, 83860, 92845, 117404, 121520, 129983, 146755, 148552, 167720, 185690, 234808, 259966, 293510, 297104, 335440, 371380, 469616, 519932, 587020, 649915, 742760, 909881, 1039864, 1174040, 1299830, 1485520, 1819762, 2079728, 2348080, 2599660, 3639524, 4549405, 5199320, 7279048, 9098810, 10398640, 14558096, 18197620, 36395240, 72790480]

約数ペア:

[(1, 72790480), (2, 36395240), (4, 18197620), (5, 14558096), (7, 10398640), (8, 9098810), (10, 7279048), (14, 5199320), (16, 4549405), (20, 3639524), (28, 2599660), (31, 2348080), (35, 2079728), (40, 1819762), (49, 1485520), (56, 1299830), (62, 1174040), (70, 1039864), (80, 909881), (98, 742760), (112, 649915), (124, 587020), (140, 519932), (155, 469616), (196, 371380), (217, 335440), (245, 297104), (248, 293510), (280, 259966), (310, 234808), (392, 185690), (434, 167720), (490, 148552), (496, 146755), (560, 129983), (599, 121520), (620, 117404), (784, 92845), (868, 83860), (980, 74276), (1085, 67088), (1198, 60760), (1240, 58702), (1519, 47920), (1736, 41930), (1960, 37138), (2170, 33544), (2396, 30380), (2480, 29351), (2995, 24304), (3038, 23960), (3472, 20965), (3920, 18569), (4193, 17360), (4340, 16772), (4792, 15190), (5990, 12152), (6076, 11980), (7595, 9584), (8386, 8680)]