18540480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 224

約数和(自身を含む): 70225920

約数和(自身を除く): 51685440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 89, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 178, 186, 192, 210, 217, 224, 240, 248, 267, 280, 310, 320, 336, 356, 372, 420, 434, 445, 448, 465, 480, 496, 534, 560, 620, 623, 651, 672, 712, 744, 840, 868, 890, 930, 960, 992, 1068, 1085, 1120, 1240, 1246, 1302, 1335, 1344, 1424, 1488, 1680, 1736, 1780, 1860, 1869, 1984, 2136, 2170, 2240, 2480, 2492, 2604, 2670, 2759, 2848, 2976, 3115, 3255, 3360, 3472, 3560, 3720, 3738, 4272, 4340, 4960, 4984, 5208, 5340, 5518, 5696, 5952, 6230, 6510, 6720, 6944, 7120, 7440, 7476, 8277, 8544, 8680, 9345, 9920, 9968, 10416, 10680, 11036, 12460, 13020, 13795, 13888, 14240, 14880, 14952, 16554, 17088, 17360, 18690, 19313, 19936, 20832, 21360, 22072, 24920, 26040, 27590, 28480, 29760, 29904, 33108, 34720, 37380, 38626, 39872, 41385, 41664, 42720, 44144, 49840, 52080, 55180, 57939, 59808, 66216, 69440, 74760, 77252, 82770, 85440, 88288, 96565, 99680, 104160, 110360, 115878, 119616, 132432, 149520, 154504, 165540, 176576, 193130, 199360, 208320, 220720, 231756, 264864, 289695, 299040, 309008, 331080, 386260, 441440, 463512, 529728, 579390, 598080, 618016, 662160, 772520, 882880, 927024, 1158780, 1236032, 1324320, 1545040, 1854048, 2317560, 2648640, 3090080, 3708096, 4635120, 6180160, 9270240, 18540480]

約数ペア:

[(1, 18540480), (2, 9270240), (3, 6180160), (4, 4635120), (5, 3708096), (6, 3090080), (7, 2648640), (8, 2317560), (10, 1854048), (12, 1545040), (14, 1324320), (15, 1236032), (16, 1158780), (20, 927024), (21, 882880), (24, 772520), (28, 662160), (30, 618016), (31, 598080), (32, 579390), (35, 529728), (40, 463512), (42, 441440), (48, 386260), (56, 331080), (60, 309008), (62, 299040), (64, 289695), (70, 264864), (80, 231756), (84, 220720), (89, 208320), (93, 199360), (96, 193130), (105, 176576), (112, 165540), (120, 154504), (124, 149520), (140, 132432), (155, 119616), (160, 115878), (168, 110360), (178, 104160), (186, 99680), (192, 96565), (210, 88288), (217, 85440), (224, 82770), (240, 77252), (248, 74760), (267, 69440), (280, 66216), (310, 59808), (320, 57939), (336, 55180), (356, 52080), (372, 49840), (420, 44144), (434, 42720), (445, 41664), (448, 41385), (465, 39872), (480, 38626), (496, 37380), (534, 34720), (560, 33108), (620, 29904), (623, 29760), (651, 28480), (672, 27590), (712, 26040), (744, 24920), (840, 22072), (868, 21360), (890, 20832), (930, 19936), (960, 19313), (992, 18690), (1068, 17360), (1085, 17088), (1120, 16554), (1240, 14952), (1246, 14880), (1302, 14240), (1335, 13888), (1344, 13795), (1424, 13020), (1488, 12460), (1680, 11036), (1736, 10680), (1780, 10416), (1860, 9968), (1869, 9920), (1984, 9345), (2136, 8680), (2170, 8544), (2240, 8277), (2480, 7476), (2492, 7440), (2604, 7120), (2670, 6944), (2759, 6720), (2848, 6510), (2976, 6230), (3115, 5952), (3255, 5696), (3360, 5518), (3472, 5340), (3560, 5208), (3720, 4984), (3738, 4960), (4272, 4340)]