291275280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 240

約数和(自身を含む): 1057633200

約数和(自身を除く): 766357920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 53, 60, 68, 72, 80, 85, 90, 102, 106, 120, 136, 144, 153, 159, 170, 180, 204, 212, 240, 255, 265, 272, 306, 318, 340, 360, 408, 424, 449, 477, 510, 530, 612, 636, 680, 720, 765, 795, 816, 848, 898, 901, 954, 1020, 1060, 1224, 1272, 1347, 1360, 1530, 1590, 1796, 1802, 1908, 2040, 2120, 2245, 2385, 2448, 2544, 2694, 2703, 3060, 3180, 3592, 3604, 3816, 4041, 4080, 4240, 4490, 4505, 4770, 5388, 5406, 6120, 6360, 6735, 7184, 7208, 7632, 7633, 8082, 8109, 8980, 9010, 9540, 10776, 10812, 12240, 12720, 13470, 13515, 14416, 15266, 16164, 16218, 17960, 18020, 19080, 20205, 21552, 21624, 22899, 23797, 26940, 27030, 30532, 32328, 32436, 35920, 36040, 38160, 38165, 40410, 40545, 43248, 45798, 47594, 53880, 54060, 61064, 64656, 64872, 68697, 71391, 72080, 76330, 80820, 81090, 91596, 95188, 107760, 108120, 114495, 118985, 122128, 129744, 137394, 142782, 152660, 161640, 162180, 183192, 190376, 214173, 216240, 228990, 237970, 274788, 285564, 305320, 323280, 324360, 343485, 356955, 366384, 380752, 404549, 428346, 457980, 475940, 549576, 571128, 610640, 648720, 686970, 713910, 809098, 856692, 915960, 951880, 1070865, 1099152, 1142256, 1213647, 1373940, 1427820, 1618196, 1713384, 1831920, 1903760, 2022745, 2141730, 2427294, 2747880, 2855640, 3236392, 3426768, 3640941, 4045490, 4283460, 4854588, 5495760, 5711280, 6068235, 6472784, 7281882, 8090980, 8566920, 9709176, 12136470, 14563764, 16181960, 17133840, 18204705, 19418352, 24272940, 29127528, 32363920, 36409410, 48545880, 58255056, 72818820, 97091760, 145637640, 291275280]

約数ペア:

[(1, 291275280), (2, 145637640), (3, 97091760), (4, 72818820), (5, 58255056), (6, 48545880), (8, 36409410), (9, 32363920), (10, 29127528), (12, 24272940), (15, 19418352), (16, 18204705), (17, 17133840), (18, 16181960), (20, 14563764), (24, 12136470), (30, 9709176), (34, 8566920), (36, 8090980), (40, 7281882), (45, 6472784), (48, 6068235), (51, 5711280), (53, 5495760), (60, 4854588), (68, 4283460), (72, 4045490), (80, 3640941), (85, 3426768), (90, 3236392), (102, 2855640), (106, 2747880), (120, 2427294), (136, 2141730), (144, 2022745), (153, 1903760), (159, 1831920), (170, 1713384), (180, 1618196), (204, 1427820), (212, 1373940), (240, 1213647), (255, 1142256), (265, 1099152), (272, 1070865), (306, 951880), (318, 915960), (340, 856692), (360, 809098), (408, 713910), (424, 686970), (449, 648720), (477, 610640), (510, 571128), (530, 549576), (612, 475940), (636, 457980), (680, 428346), (720, 404549), (765, 380752), (795, 366384), (816, 356955), (848, 343485), (898, 324360), (901, 323280), (954, 305320), (1020, 285564), (1060, 274788), (1224, 237970), (1272, 228990), (1347, 216240), (1360, 214173), (1530, 190376), (1590, 183192), (1796, 162180), (1802, 161640), (1908, 152660), (2040, 142782), (2120, 137394), (2245, 129744), (2385, 122128), (2448, 118985), (2544, 114495), (2694, 108120), (2703, 107760), (3060, 95188), (3180, 91596), (3592, 81090), (3604, 80820), (3816, 76330), (4041, 72080), (4080, 71391), (4240, 68697), (4490, 64872), (4505, 64656), (4770, 61064), (5388, 54060), (5406, 53880), (6120, 47594), (6360, 45798), (6735, 43248), (7184, 40545), (7208, 40410), (7632, 38165), (7633, 38160), (8082, 36040), (8109, 35920), (8980, 32436), (9010, 32328), (9540, 30532), (10776, 27030), (10812, 26940), (12240, 23797), (12720, 22899), (13470, 21624), (13515, 21552), (14416, 20205), (15266, 19080), (16164, 18020), (16218, 17960)]