21919680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 224

約数和(自身を含む): 80467200

約数和(自身を除く): 58547520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 59, 60, 64, 72, 80, 86, 90, 96, 108, 118, 120, 129, 135, 144, 160, 172, 177, 180, 192, 215, 216, 236, 240, 258, 270, 288, 295, 320, 344, 354, 360, 387, 430, 432, 472, 480, 516, 531, 540, 576, 590, 645, 688, 708, 720, 774, 860, 864, 885, 944, 960, 1032, 1062, 1080, 1161, 1180, 1290, 1376, 1416, 1440, 1548, 1593, 1720, 1728, 1770, 1888, 1935, 2064, 2124, 2160, 2322, 2360, 2537, 2580, 2655, 2752, 2832, 2880, 3096, 3186, 3440, 3540, 3776, 3870, 4128, 4248, 4320, 4644, 4720, 5074, 5160, 5310, 5664, 5805, 6192, 6372, 6880, 7080, 7611, 7740, 7965, 8256, 8496, 8640, 9288, 9440, 10148, 10320, 10620, 11328, 11610, 12384, 12685, 12744, 13760, 14160, 15222, 15480, 15930, 16992, 18576, 18880, 20296, 20640, 21240, 22833, 23220, 24768, 25370, 25488, 28320, 30444, 30960, 31860, 33984, 37152, 38055, 40592, 41280, 42480, 45666, 46440, 50740, 50976, 56640, 60888, 61920, 63720, 68499, 74304, 76110, 81184, 84960, 91332, 92880, 101480, 101952, 114165, 121776, 123840, 127440, 136998, 152220, 162368, 169920, 182664, 185760, 202960, 228330, 243552, 254880, 273996, 304440, 342495, 365328, 371520, 405920, 456660, 487104, 509760, 547992, 608880, 684990, 730656, 811840, 913320, 1095984, 1217760, 1369980, 1461312, 1826640, 2191968, 2435520, 2739960, 3653280, 4383936, 5479920, 7306560, 10959840, 21919680]

約数ペア:

[(1, 21919680), (2, 10959840), (3, 7306560), (4, 5479920), (5, 4383936), (6, 3653280), (8, 2739960), (9, 2435520), (10, 2191968), (12, 1826640), (15, 1461312), (16, 1369980), (18, 1217760), (20, 1095984), (24, 913320), (27, 811840), (30, 730656), (32, 684990), (36, 608880), (40, 547992), (43, 509760), (45, 487104), (48, 456660), (54, 405920), (59, 371520), (60, 365328), (64, 342495), (72, 304440), (80, 273996), (86, 254880), (90, 243552), (96, 228330), (108, 202960), (118, 185760), (120, 182664), (129, 169920), (135, 162368), (144, 152220), (160, 136998), (172, 127440), (177, 123840), (180, 121776), (192, 114165), (215, 101952), (216, 101480), (236, 92880), (240, 91332), (258, 84960), (270, 81184), (288, 76110), (295, 74304), (320, 68499), (344, 63720), (354, 61920), (360, 60888), (387, 56640), (430, 50976), (432, 50740), (472, 46440), (480, 45666), (516, 42480), (531, 41280), (540, 40592), (576, 38055), (590, 37152), (645, 33984), (688, 31860), (708, 30960), (720, 30444), (774, 28320), (860, 25488), (864, 25370), (885, 24768), (944, 23220), (960, 22833), (1032, 21240), (1062, 20640), (1080, 20296), (1161, 18880), (1180, 18576), (1290, 16992), (1376, 15930), (1416, 15480), (1440, 15222), (1548, 14160), (1593, 13760), (1720, 12744), (1728, 12685), (1770, 12384), (1888, 11610), (1935, 11328), (2064, 10620), (2124, 10320), (2160, 10148), (2322, 9440), (2360, 9288), (2537, 8640), (2580, 8496), (2655, 8256), (2752, 7965), (2832, 7740), (2880, 7611), (3096, 7080), (3186, 6880), (3440, 6372), (3540, 6192), (3776, 5805), (3870, 5664), (4128, 5310), (4248, 5160), (4320, 5074), (4644, 4720)]