261492480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22699}}^1$

素因数の和:22726

約数の個数: 108

約数和(自身を含む): 904776600

約数和(自身を除く): 643284120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22699, 45398, 68097, 90796, 113495, 136194, 181592, 204291, 226990, 272388, 340485, 363184, 408582, 453980, 544776, 680970, 726368, 817164, 907960, 1021455, 1089552, 1361940, 1452736, 1634328, 1815920, 2042910, 2179104, 2723880, 2905472, 3268656, 3631840, 4085820, 4358208, 5447760, 5810944, 6537312, 7263680, 8171640, 8716416, 10895520, 13074624, 14527360, 16343280, 17432832, 21791040, 26149248, 29054720, 32686560, 43582080, 52298496, 65373120, 87164160, 130746240, 261492480]

約数ペア:

[(1, 261492480), (2, 130746240), (3, 87164160), (4, 65373120), (5, 52298496), (6, 43582080), (8, 32686560), (9, 29054720), (10, 26149248), (12, 21791040), (15, 17432832), (16, 16343280), (18, 14527360), (20, 13074624), (24, 10895520), (30, 8716416), (32, 8171640), (36, 7263680), (40, 6537312), (45, 5810944), (48, 5447760), (60, 4358208), (64, 4085820), (72, 3631840), (80, 3268656), (90, 2905472), (96, 2723880), (120, 2179104), (128, 2042910), (144, 1815920), (160, 1634328), (180, 1452736), (192, 1361940), (240, 1089552), (256, 1021455), (288, 907960), (320, 817164), (360, 726368), (384, 680970), (480, 544776), (576, 453980), (640, 408582), (720, 363184), (768, 340485), (960, 272388), (1152, 226990), (1280, 204291), (1440, 181592), (1920, 136194), (2304, 113495), (2880, 90796), (3840, 68097), (5760, 45398), (11520, 22699)]