1340428680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 192

約数和(自身を含む): 4498528320

約数和(自身を除く): 3158099640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 131, 172, 180, 215, 258, 262, 344, 360, 387, 393, 430, 516, 524, 645, 655, 661, 774, 786, 860, 1032, 1048, 1179, 1290, 1310, 1322, 1548, 1572, 1720, 1935, 1965, 1983, 2358, 2580, 2620, 2644, 3096, 3144, 3305, 3870, 3930, 3966, 4716, 5160, 5240, 5288, 5633, 5895, 5949, 6610, 7740, 7860, 7932, 9432, 9915, 11266, 11790, 11898, 13220, 15480, 15720, 15864, 16899, 19830, 22532, 23580, 23796, 26440, 28165, 28423, 29745, 33798, 39660, 45064, 47160, 47592, 50697, 56330, 56846, 59490, 67596, 79320, 84495, 85269, 86591, 101394, 112660, 113692, 118980, 135192, 142115, 168990, 170538, 173182, 202788, 225320, 227384, 237960, 253485, 255807, 259773, 284230, 337980, 341076, 346364, 405576, 426345, 432955, 506970, 511614, 519546, 568460, 675960, 682152, 692728, 779319, 852690, 865910, 1013940, 1023228, 1039092, 1136920, 1279035, 1298865, 1558638, 1705380, 1731820, 2027880, 2046456, 2078184, 2558070, 2597730, 3117276, 3410760, 3463640, 3723413, 3896595, 5116140, 5195460, 6234552, 7446826, 7793190, 10232280, 10390920, 11170239, 14893652, 15586380, 18617065, 22340478, 29787304, 31172760, 33510717, 37234130, 44680956, 55851195, 67021434, 74468260, 89361912, 111702390, 134042868, 148936520, 167553585, 223404780, 268085736, 335107170, 446809560, 670214340, 1340428680]

約数ペア:

[(1, 1340428680), (2, 670214340), (3, 446809560), (4, 335107170), (5, 268085736), (6, 223404780), (8, 167553585), (9, 148936520), (10, 134042868), (12, 111702390), (15, 89361912), (18, 74468260), (20, 67021434), (24, 55851195), (30, 44680956), (36, 37234130), (40, 33510717), (43, 31172760), (45, 29787304), (60, 22340478), (72, 18617065), (86, 15586380), (90, 14893652), (120, 11170239), (129, 10390920), (131, 10232280), (172, 7793190), (180, 7446826), (215, 6234552), (258, 5195460), (262, 5116140), (344, 3896595), (360, 3723413), (387, 3463640), (393, 3410760), (430, 3117276), (516, 2597730), (524, 2558070), (645, 2078184), (655, 2046456), (661, 2027880), (774, 1731820), (786, 1705380), (860, 1558638), (1032, 1298865), (1048, 1279035), (1179, 1136920), (1290, 1039092), (1310, 1023228), (1322, 1013940), (1548, 865910), (1572, 852690), (1720, 779319), (1935, 692728), (1965, 682152), (1983, 675960), (2358, 568460), (2580, 519546), (2620, 511614), (2644, 506970), (3096, 432955), (3144, 426345), (3305, 405576), (3870, 346364), (3930, 341076), (3966, 337980), (4716, 284230), (5160, 259773), (5240, 255807), (5288, 253485), (5633, 237960), (5895, 227384), (5949, 225320), (6610, 202788), (7740, 173182), (7860, 170538), (7932, 168990), (9432, 142115), (9915, 135192), (11266, 118980), (11790, 113692), (11898, 112660), (13220, 101394), (15480, 86591), (15720, 85269), (15864, 84495), (16899, 79320), (19830, 67596), (22532, 59490), (23580, 56846), (23796, 56330), (26440, 50697), (28165, 47592), (28423, 47160), (29745, 45064), (33798, 39660)]