491608320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{18289}}^1$

素因数の和:18320

約数の個数: 144

約数和(自身を含む): 1794468480

約数和(自身を除く): 1302860160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 18289, 26880, 36578, 54867, 73156, 91445, 109734, 128023, 146312, 182890, 219468, 256046, 274335, 292624, 365780, 384069, 438936, 512092, 548670, 585248, 640115, 731560, 768138, 877872, 1024184, 1097340, 1170496, 1280230, 1463120, 1536276, 1755744, 1920345, 2048368, 2194680, 2340992, 2560460, 2926240, 3072552, 3511488, 3840690, 4096736, 4389360, 4681984, 5120920, 5852480, 6145104, 7022976, 7681380, 8193472, 8778720, 10241840, 11704960, 12290208, 14045952, 15362760, 16386944, 17557440, 20483680, 23409920, 24580416, 30725520, 32773888, 35114880, 40967360, 49160832, 61451040, 70229760, 81934720, 98321664, 122902080, 163869440, 245804160, 491608320]

約数ペア:

[(1, 491608320), (2, 245804160), (3, 163869440), (4, 122902080), (5, 98321664), (6, 81934720), (7, 70229760), (8, 61451040), (10, 49160832), (12, 40967360), (14, 35114880), (15, 32773888), (16, 30725520), (20, 24580416), (21, 23409920), (24, 20483680), (28, 17557440), (30, 16386944), (32, 15362760), (35, 14045952), (40, 12290208), (42, 11704960), (48, 10241840), (56, 8778720), (60, 8193472), (64, 7681380), (70, 7022976), (80, 6145104), (84, 5852480), (96, 5120920), (105, 4681984), (112, 4389360), (120, 4096736), (128, 3840690), (140, 3511488), (160, 3072552), (168, 2926240), (192, 2560460), (210, 2340992), (224, 2194680), (240, 2048368), (256, 1920345), (280, 1755744), (320, 1536276), (336, 1463120), (384, 1280230), (420, 1170496), (448, 1097340), (480, 1024184), (560, 877872), (640, 768138), (672, 731560), (768, 640115), (840, 585248), (896, 548670), (960, 512092), (1120, 438936), (1280, 384069), (1344, 365780), (1680, 292624), (1792, 274335), (1920, 256046), (2240, 219468), (2688, 182890), (3360, 146312), (3840, 128023), (4480, 109734), (5376, 91445), (6720, 73156), (8960, 54867), (13440, 36578), (18289, 26880)]