123481680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2425

約数の個数: 160

約数和(自身を含む): 451780608

約数和(自身を除く): 328298928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2371, 2480, 2604, 3255, 3472, 3720, 4340, 4742, 5208, 6510, 7113, 7440, 8680, 9484, 10416, 11855, 13020, 14226, 16597, 17360, 18968, 23710, 26040, 28452, 33194, 35565, 37936, 47420, 49791, 52080, 56904, 66388, 71130, 73501, 82985, 94840, 99582, 113808, 132776, 142260, 147002, 165970, 189680, 199164, 220503, 248955, 265552, 284520, 294004, 331940, 367505, 398328, 441006, 497910, 514507, 569040, 588008, 663880, 735010, 796656, 882012, 995820, 1029014, 1102515, 1176016, 1327760, 1470020, 1543521, 1764024, 1991640, 2058028, 2205030, 2572535, 2940040, 3087042, 3528048, 3983280, 4116056, 4410060, 5145070, 5880080, 6174084, 7717605, 8232112, 8820120, 10290140, 12348168, 15435210, 17640240, 20580280, 24696336, 30870420, 41160560, 61740840, 123481680]

約数ペア:

[(1, 123481680), (2, 61740840), (3, 41160560), (4, 30870420), (5, 24696336), (6, 20580280), (7, 17640240), (8, 15435210), (10, 12348168), (12, 10290140), (14, 8820120), (15, 8232112), (16, 7717605), (20, 6174084), (21, 5880080), (24, 5145070), (28, 4410060), (30, 4116056), (31, 3983280), (35, 3528048), (40, 3087042), (42, 2940040), (48, 2572535), (56, 2205030), (60, 2058028), (62, 1991640), (70, 1764024), (80, 1543521), (84, 1470020), (93, 1327760), (105, 1176016), (112, 1102515), (120, 1029014), (124, 995820), (140, 882012), (155, 796656), (168, 735010), (186, 663880), (210, 588008), (217, 569040), (240, 514507), (248, 497910), (280, 441006), (310, 398328), (336, 367505), (372, 331940), (420, 294004), (434, 284520), (465, 265552), (496, 248955), (560, 220503), (620, 199164), (651, 189680), (744, 165970), (840, 147002), (868, 142260), (930, 132776), (1085, 113808), (1240, 99582), (1302, 94840), (1488, 82985), (1680, 73501), (1736, 71130), (1860, 66388), (2170, 56904), (2371, 52080), (2480, 49791), (2604, 47420), (3255, 37936), (3472, 35565), (3720, 33194), (4340, 28452), (4742, 26040), (5208, 23710), (6510, 18968), (7113, 17360), (7440, 16597), (8680, 14226), (9484, 13020), (10416, 11855)]