15998640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 57853440

約数和(自身を除く): 41854800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 107, 112, 120, 140, 168, 178, 210, 214, 240, 267, 280, 321, 336, 356, 420, 428, 445, 534, 535, 560, 623, 642, 712, 749, 840, 856, 890, 1068, 1070, 1246, 1284, 1335, 1424, 1498, 1605, 1680, 1712, 1780, 1869, 2136, 2140, 2247, 2492, 2568, 2670, 2996, 3115, 3210, 3560, 3738, 3745, 4272, 4280, 4494, 4984, 5136, 5340, 5992, 6230, 6420, 7120, 7476, 7490, 8560, 8988, 9345, 9523, 9968, 10680, 11235, 11984, 12460, 12840, 14952, 14980, 17976, 18690, 19046, 21360, 22470, 24920, 25680, 28569, 29904, 29960, 35952, 37380, 38092, 44940, 47615, 49840, 57138, 59920, 66661, 74760, 76184, 89880, 95230, 114276, 133322, 142845, 149520, 152368, 179760, 190460, 199983, 228552, 266644, 285690, 333305, 380920, 399966, 457104, 533288, 571380, 666610, 761840, 799932, 999915, 1066576, 1142760, 1333220, 1599864, 1999830, 2285520, 2666440, 3199728, 3999660, 5332880, 7999320, 15998640]

約数ペア:

[(1, 15998640), (2, 7999320), (3, 5332880), (4, 3999660), (5, 3199728), (6, 2666440), (7, 2285520), (8, 1999830), (10, 1599864), (12, 1333220), (14, 1142760), (15, 1066576), (16, 999915), (20, 799932), (21, 761840), (24, 666610), (28, 571380), (30, 533288), (35, 457104), (40, 399966), (42, 380920), (48, 333305), (56, 285690), (60, 266644), (70, 228552), (80, 199983), (84, 190460), (89, 179760), (105, 152368), (107, 149520), (112, 142845), (120, 133322), (140, 114276), (168, 95230), (178, 89880), (210, 76184), (214, 74760), (240, 66661), (267, 59920), (280, 57138), (321, 49840), (336, 47615), (356, 44940), (420, 38092), (428, 37380), (445, 35952), (534, 29960), (535, 29904), (560, 28569), (623, 25680), (642, 24920), (712, 22470), (749, 21360), (840, 19046), (856, 18690), (890, 17976), (1068, 14980), (1070, 14952), (1246, 12840), (1284, 12460), (1335, 11984), (1424, 11235), (1498, 10680), (1605, 9968), (1680, 9523), (1712, 9345), (1780, 8988), (1869, 8560), (2136, 7490), (2140, 7476), (2247, 7120), (2492, 6420), (2568, 6230), (2670, 5992), (2996, 5340), (3115, 5136), (3210, 4984), (3560, 4494), (3738, 4280), (3745, 4272)]