491637120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19697}}^1$

素因数の和:19732

約数の個数: 128

約数和(自身を含む): 1687724640

約数和(自身を除く): 1196087520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 19697, 24960, 39394, 59091, 78788, 98485, 118182, 157576, 196970, 236364, 256061, 295455, 315152, 393940, 472728, 512122, 590910, 630304, 768183, 787880, 945456, 1024244, 1181820, 1260608, 1280305, 1536366, 1575760, 1890912, 2048488, 2363640, 2521216, 2560610, 3072732, 3151520, 3781824, 3840915, 4096976, 4727280, 5121220, 6145464, 6303040, 7563648, 7681830, 8193952, 9454560, 10242440, 12290928, 12606080, 15363660, 16387904, 18909120, 20484880, 24581856, 30727320, 32775808, 37818240, 40969760, 49163712, 61454640, 81939520, 98327424, 122909280, 163879040, 245818560, 491637120]

約数ペア:

[(1, 491637120), (2, 245818560), (3, 163879040), (4, 122909280), (5, 98327424), (6, 81939520), (8, 61454640), (10, 49163712), (12, 40969760), (13, 37818240), (15, 32775808), (16, 30727320), (20, 24581856), (24, 20484880), (26, 18909120), (30, 16387904), (32, 15363660), (39, 12606080), (40, 12290928), (48, 10242440), (52, 9454560), (60, 8193952), (64, 7681830), (65, 7563648), (78, 6303040), (80, 6145464), (96, 5121220), (104, 4727280), (120, 4096976), (128, 3840915), (130, 3781824), (156, 3151520), (160, 3072732), (192, 2560610), (195, 2521216), (208, 2363640), (240, 2048488), (260, 1890912), (312, 1575760), (320, 1536366), (384, 1280305), (390, 1260608), (416, 1181820), (480, 1024244), (520, 945456), (624, 787880), (640, 768183), (780, 630304), (832, 590910), (960, 512122), (1040, 472728), (1248, 393940), (1560, 315152), (1664, 295455), (1920, 256061), (2080, 236364), (2496, 196970), (3120, 157576), (4160, 118182), (4992, 98485), (6240, 78788), (8320, 59091), (12480, 39394), (19697, 24960)]