168778260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 628992000

約数和(自身を除く): 460213740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 31, 35, 36, 42, 45, 58, 60, 62, 63, 70, 84, 87, 90, 93, 105, 116, 124, 126, 140, 145, 149, 155, 174, 180, 186, 203, 210, 217, 252, 261, 279, 290, 298, 310, 315, 348, 372, 406, 420, 434, 435, 447, 465, 522, 558, 580, 596, 609, 620, 630, 651, 745, 812, 868, 870, 894, 899, 930, 1015, 1043, 1044, 1085, 1116, 1218, 1260, 1302, 1305, 1341, 1395, 1490, 1740, 1788, 1798, 1827, 1860, 1953, 2030, 2086, 2170, 2235, 2436, 2604, 2610, 2682, 2697, 2790, 2980, 3045, 3129, 3255, 3596, 3654, 3906, 4060, 4172, 4321, 4340, 4470, 4495, 4619, 5215, 5220, 5364, 5394, 5580, 6090, 6258, 6293, 6510, 6705, 7308, 7812, 8091, 8642, 8940, 8990, 9135, 9238, 9387, 9765, 10430, 10788, 12180, 12516, 12586, 12963, 13020, 13410, 13485, 13857, 15645, 16182, 17284, 17980, 18270, 18476, 18774, 18879, 19530, 20860, 21605, 23095, 25172, 25926, 26820, 26970, 27714, 30247, 31290, 31465, 32333, 32364, 36540, 37548, 37758, 38889, 39060, 40455, 41571, 43210, 46190, 46935, 51852, 53940, 55428, 56637, 60494, 62580, 62930, 64666, 64815, 69285, 75516, 77778, 80910, 83142, 86420, 90741, 92380, 93870, 94395, 96999, 113274, 120988, 125860, 129332, 129630, 133951, 138570, 151235, 155556, 161665, 161820, 166284, 181482, 187740, 188790, 193998, 194445, 207855, 226548, 259260, 267902, 272223, 277140, 283185, 290997, 302470, 323330, 362964, 377580, 387996, 388890, 401853, 415710, 453705, 484995, 535804, 544446, 566370, 581994, 604940, 646660, 669755, 777780, 803706, 831420, 907410, 937657, 969990, 1088892, 1132740, 1163988, 1205559, 1339510, 1361115, 1454985, 1607412, 1814820, 1875314, 1939980, 2009265, 2411118, 2679020, 2722230, 2812971, 2909970, 3750628, 4018530, 4688285, 4822236, 5444460, 5625942, 5819940, 6027795, 8037060, 8438913, 9376570, 11251884, 12055590, 14064855, 16877826, 18753140, 24111180, 28129710, 33755652, 42194565, 56259420, 84389130, 168778260]

約数ペア:

[(1, 168778260), (2, 84389130), (3, 56259420), (4, 42194565), (5, 33755652), (6, 28129710), (7, 24111180), (9, 18753140), (10, 16877826), (12, 14064855), (14, 12055590), (15, 11251884), (18, 9376570), (20, 8438913), (21, 8037060), (28, 6027795), (29, 5819940), (30, 5625942), (31, 5444460), (35, 4822236), (36, 4688285), (42, 4018530), (45, 3750628), (58, 2909970), (60, 2812971), (62, 2722230), (63, 2679020), (70, 2411118), (84, 2009265), (87, 1939980), (90, 1875314), (93, 1814820), (105, 1607412), (116, 1454985), (124, 1361115), (126, 1339510), (140, 1205559), (145, 1163988), (149, 1132740), (155, 1088892), (174, 969990), (180, 937657), (186, 907410), (203, 831420), (210, 803706), (217, 777780), (252, 669755), (261, 646660), (279, 604940), (290, 581994), (298, 566370), (310, 544446), (315, 535804), (348, 484995), (372, 453705), (406, 415710), (420, 401853), (434, 388890), (435, 387996), (447, 377580), (465, 362964), (522, 323330), (558, 302470), (580, 290997), (596, 283185), (609, 277140), (620, 272223), (630, 267902), (651, 259260), (745, 226548), (812, 207855), (868, 194445), (870, 193998), (894, 188790), (899, 187740), (930, 181482), (1015, 166284), (1043, 161820), (1044, 161665), (1085, 155556), (1116, 151235), (1218, 138570), (1260, 133951), (1302, 129630), (1305, 129332), (1341, 125860), (1395, 120988), (1490, 113274), (1740, 96999), (1788, 94395), (1798, 93870), (1827, 92380), (1860, 90741), (1953, 86420), (2030, 83142), (2086, 80910), (2170, 77778), (2235, 75516), (2436, 69285), (2604, 64815), (2610, 64666), (2682, 62930), (2697, 62580), (2790, 60494), (2980, 56637), (3045, 55428), (3129, 53940), (3255, 51852), (3596, 46935), (3654, 46190), (3906, 43210), (4060, 41571), (4172, 40455), (4321, 39060), (4340, 38889), (4470, 37758), (4495, 37548), (4619, 36540), (5215, 32364), (5220, 32333), (5364, 31465), (5394, 31290), (5580, 30247), (6090, 27714), (6258, 26970), (6293, 26820), (6510, 25926), (6705, 25172), (7308, 23095), (7812, 21605), (8091, 20860), (8642, 19530), (8940, 18879), (8990, 18774), (9135, 18476), (9238, 18270), (9387, 17980), (9765, 17284), (10430, 16182), (10788, 15645), (12180, 13857), (12516, 13485), (12586, 13410), (12963, 13020)]