247779280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2097

約数の個数: 120

約数和(自身を含む): 692098560

約数和(自身を除く): 444319280

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, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2039, 2170, 2480, 3038, 3472, 3920, 4078, 4340, 6076, 7595, 8156, 8680, 10195, 12152, 14273, 15190, 16312, 17360, 20390, 24304, 28546, 30380, 32624, 40780, 57092, 60760, 63209, 71365, 81560, 99911, 114184, 121520, 126418, 142730, 163120, 199822, 228368, 252836, 285460, 316045, 399644, 442463, 499555, 505672, 570920, 632090, 799288, 884926, 999110, 1011344, 1141840, 1264180, 1598576, 1769852, 1998220, 2212315, 2528360, 3097241, 3539704, 3996440, 4424630, 5056720, 6194482, 7079408, 7992880, 8849260, 12388964, 15486205, 17698520, 24777928, 30972410, 35397040, 49555856, 61944820, 123889640, 247779280]

約数ペア:

[(1, 247779280), (2, 123889640), (4, 61944820), (5, 49555856), (7, 35397040), (8, 30972410), (10, 24777928), (14, 17698520), (16, 15486205), (20, 12388964), (28, 8849260), (31, 7992880), (35, 7079408), (40, 6194482), (49, 5056720), (56, 4424630), (62, 3996440), (70, 3539704), (80, 3097241), (98, 2528360), (112, 2212315), (124, 1998220), (140, 1769852), (155, 1598576), (196, 1264180), (217, 1141840), (245, 1011344), (248, 999110), (280, 884926), (310, 799288), (392, 632090), (434, 570920), (490, 505672), (496, 499555), (560, 442463), (620, 399644), (784, 316045), (868, 285460), (980, 252836), (1085, 228368), (1240, 199822), (1519, 163120), (1736, 142730), (1960, 126418), (2039, 121520), (2170, 114184), (2480, 99911), (3038, 81560), (3472, 71365), (3920, 63209), (4078, 60760), (4340, 57092), (6076, 40780), (7595, 32624), (8156, 30380), (8680, 28546), (10195, 24304), (12152, 20390), (14273, 17360), (15190, 16312)]