7999320

素因数分解:

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

素因数の和:217

約数の個数: 128

約数和(自身を含む): 27993600

約数和(自身を除く): 19994280

約数列:

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

約数ペア:

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