281700720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 320

約数和(自身を含む): 1146593280

約数和(自身を除く): 864892560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 336, 360, 372, 378, 420, 432, 434, 465, 496, 504, 540, 558, 560, 601, 620, 630, 651, 720, 744, 756, 837, 840, 868, 930, 945, 1008, 1080, 1085, 1116, 1202, 1240, 1260, 1302, 1395, 1488, 1512, 1674, 1680, 1736, 1803, 1860, 1890, 1953, 2160, 2170, 2232, 2404, 2480, 2520, 2604, 2790, 3005, 3024, 3255, 3348, 3472, 3606, 3720, 3780, 3906, 4185, 4207, 4340, 4464, 4808, 5040, 5208, 5409, 5580, 5859, 6010, 6510, 6696, 7212, 7440, 7560, 7812, 8370, 8414, 8680, 9015, 9616, 9765, 10416, 10818, 11160, 11718, 12020, 12621, 13020, 13392, 14424, 15120, 15624, 16227, 16740, 16828, 17360, 18030, 18631, 19530, 21035, 21636, 22320, 23436, 24040, 25242, 26040, 27045, 28848, 29295, 31248, 32454, 33480, 33656, 36060, 37262, 37863, 39060, 42070, 43272, 46872, 48080, 50484, 52080, 54090, 55893, 58590, 63105, 64908, 66960, 67312, 72120, 74524, 75726, 78120, 81135, 84140, 86544, 93155, 93744, 100968, 108180, 111786, 113589, 117180, 126210, 129816, 130417, 144240, 149048, 151452, 156240, 162270, 167679, 168280, 186310, 189315, 201936, 216360, 223572, 227178, 234360, 252420, 259632, 260834, 279465, 298096, 302904, 324540, 335358, 336560, 372620, 378630, 391251, 432720, 447144, 454356, 468720, 503037, 504840, 521668, 558930, 567945, 605808, 649080, 652085, 670716, 745240, 757260, 782502, 838395, 894288, 908712, 1006074, 1009680, 1043336, 1117860, 1135890, 1173753, 1298160, 1304170, 1341432, 1490480, 1514520, 1565004, 1676790, 1817424, 1956255, 2012148, 2086672, 2235720, 2271780, 2347506, 2515185, 2608340, 2682864, 3029040, 3130008, 3353580, 3521259, 3912510, 4024296, 4471440, 4543560, 4695012, 5030370, 5216680, 5868765, 6260016, 6707160, 7042518, 7825020, 8048592, 9087120, 9390024, 10060740, 10433360, 11737530, 13414320, 14085036, 15650040, 17606295, 18780048, 20121480, 23475060, 28170072, 31300080, 35212590, 40242960, 46950120, 56340144, 70425180, 93900240, 140850360, 281700720]

約数ペア:

[(1, 281700720), (2, 140850360), (3, 93900240), (4, 70425180), (5, 56340144), (6, 46950120), (7, 40242960), (8, 35212590), (9, 31300080), (10, 28170072), (12, 23475060), (14, 20121480), (15, 18780048), (16, 17606295), (18, 15650040), (20, 14085036), (21, 13414320), (24, 11737530), (27, 10433360), (28, 10060740), (30, 9390024), (31, 9087120), (35, 8048592), (36, 7825020), (40, 7042518), (42, 6707160), (45, 6260016), (48, 5868765), (54, 5216680), (56, 5030370), (60, 4695012), (62, 4543560), (63, 4471440), (70, 4024296), (72, 3912510), (80, 3521259), (84, 3353580), (90, 3130008), (93, 3029040), (105, 2682864), (108, 2608340), (112, 2515185), (120, 2347506), (124, 2271780), (126, 2235720), (135, 2086672), (140, 2012148), (144, 1956255), (155, 1817424), (168, 1676790), (180, 1565004), (186, 1514520), (189, 1490480), (210, 1341432), (216, 1304170), (217, 1298160), (240, 1173753), (248, 1135890), (252, 1117860), (270, 1043336), (279, 1009680), (280, 1006074), (310, 908712), (315, 894288), (336, 838395), (360, 782502), (372, 757260), (378, 745240), (420, 670716), (432, 652085), (434, 649080), (465, 605808), (496, 567945), (504, 558930), (540, 521668), (558, 504840), (560, 503037), (601, 468720), (620, 454356), (630, 447144), (651, 432720), (720, 391251), (744, 378630), (756, 372620), (837, 336560), (840, 335358), (868, 324540), (930, 302904), (945, 298096), (1008, 279465), (1080, 260834), (1085, 259632), (1116, 252420), (1202, 234360), (1240, 227178), (1260, 223572), (1302, 216360), (1395, 201936), (1488, 189315), (1512, 186310), (1674, 168280), (1680, 167679), (1736, 162270), (1803, 156240), (1860, 151452), (1890, 149048), (1953, 144240), (2160, 130417), (2170, 129816), (2232, 126210), (2404, 117180), (2480, 113589), (2520, 111786), (2604, 108180), (2790, 100968), (3005, 93744), (3024, 93155), (3255, 86544), (3348, 84140), (3472, 81135), (3606, 78120), (3720, 75726), (3780, 74524), (3906, 72120), (4185, 67312), (4207, 66960), (4340, 64908), (4464, 63105), (4808, 58590), (5040, 55893), (5208, 54090), (5409, 52080), (5580, 50484), (5859, 48080), (6010, 46872), (6510, 43272), (6696, 42070), (7212, 39060), (7440, 37863), (7560, 37262), (7812, 36060), (8370, 33656), (8414, 33480), (8680, 32454), (9015, 31248), (9616, 29295), (9765, 28848), (10416, 27045), (10818, 26040), (11160, 25242), (11718, 24040), (12020, 23436), (12621, 22320), (13020, 21636), (13392, 21035), (14424, 19530), (15120, 18631), (15624, 18030), (16227, 17360), (16740, 16828)]