215078640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{18289}}^1$

素因数の和:18319

約数の個数: 120

約数和(自身を含む): 775642320

約数和(自身を除く): 560563680

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 18289, 36578, 54867, 73156, 91445, 109734, 128023, 146312, 182890, 219468, 256046, 274335, 292624, 365780, 384069, 438936, 512092, 548670, 640115, 731560, 768138, 877872, 896161, 1024184, 1097340, 1280230, 1463120, 1536276, 1792322, 1920345, 2048368, 2194680, 2560460, 2688483, 3072552, 3584644, 3840690, 4389360, 4480805, 5120920, 5376966, 6145104, 7169288, 7681380, 8961610, 10241840, 10753932, 13442415, 14338576, 15362760, 17923220, 21507864, 26884830, 30725520, 35846440, 43015728, 53769660, 71692880, 107539320, 215078640]

約数ペア:

[(1, 215078640), (2, 107539320), (3, 71692880), (4, 53769660), (5, 43015728), (6, 35846440), (7, 30725520), (8, 26884830), (10, 21507864), (12, 17923220), (14, 15362760), (15, 14338576), (16, 13442415), (20, 10753932), (21, 10241840), (24, 8961610), (28, 7681380), (30, 7169288), (35, 6145104), (40, 5376966), (42, 5120920), (48, 4480805), (49, 4389360), (56, 3840690), (60, 3584644), (70, 3072552), (80, 2688483), (84, 2560460), (98, 2194680), (105, 2048368), (112, 1920345), (120, 1792322), (140, 1536276), (147, 1463120), (168, 1280230), (196, 1097340), (210, 1024184), (240, 896161), (245, 877872), (280, 768138), (294, 731560), (336, 640115), (392, 548670), (420, 512092), (490, 438936), (560, 384069), (588, 365780), (735, 292624), (784, 274335), (840, 256046), (980, 219468), (1176, 182890), (1470, 146312), (1680, 128023), (1960, 109734), (2352, 91445), (2940, 73156), (3920, 54867), (5880, 36578), (11760, 18289)]