12778220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 36197280

約数和(自身を除く): 23419060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 59, 65, 68, 70, 85, 91, 98, 118, 119, 130, 140, 170, 182, 196, 221, 236, 238, 245, 260, 295, 340, 364, 413, 442, 455, 476, 490, 590, 595, 637, 767, 826, 833, 884, 910, 980, 1003, 1105, 1180, 1190, 1274, 1534, 1547, 1652, 1666, 1820, 2006, 2065, 2210, 2380, 2548, 2891, 3068, 3094, 3185, 3332, 3835, 4012, 4130, 4165, 4420, 5015, 5369, 5782, 6188, 6370, 7021, 7670, 7735, 8260, 8330, 10030, 10738, 10829, 11564, 12740, 13039, 14042, 14455, 15340, 15470, 16660, 20060, 21476, 21658, 26078, 26845, 28084, 28910, 30940, 35105, 37583, 43316, 49147, 52156, 53690, 54145, 57820, 65195, 70210, 75166, 91273, 98294, 107380, 108290, 130390, 140420, 150332, 182546, 187915, 196588, 216580, 245735, 260780, 365092, 375830, 456365, 491470, 638911, 751660, 912730, 982940, 1277822, 1825460, 2555644, 3194555, 6389110, 12778220]

約数ペア:

[(1, 12778220), (2, 6389110), (4, 3194555), (5, 2555644), (7, 1825460), (10, 1277822), (13, 982940), (14, 912730), (17, 751660), (20, 638911), (26, 491470), (28, 456365), (34, 375830), (35, 365092), (49, 260780), (52, 245735), (59, 216580), (65, 196588), (68, 187915), (70, 182546), (85, 150332), (91, 140420), (98, 130390), (118, 108290), (119, 107380), (130, 98294), (140, 91273), (170, 75166), (182, 70210), (196, 65195), (221, 57820), (236, 54145), (238, 53690), (245, 52156), (260, 49147), (295, 43316), (340, 37583), (364, 35105), (413, 30940), (442, 28910), (455, 28084), (476, 26845), (490, 26078), (590, 21658), (595, 21476), (637, 20060), (767, 16660), (826, 15470), (833, 15340), (884, 14455), (910, 14042), (980, 13039), (1003, 12740), (1105, 11564), (1180, 10829), (1190, 10738), (1274, 10030), (1534, 8330), (1547, 8260), (1652, 7735), (1666, 7670), (1820, 7021), (2006, 6370), (2065, 6188), (2210, 5782), (2380, 5369), (2548, 5015), (2891, 4420), (3068, 4165), (3094, 4130), (3185, 4012), (3332, 3835)]