213669120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7980

約数の個数: 144

約数和(自身を含む): 779990400

約数和(自身を除く): 566321280

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, 7949, 8960, 13440, 15898, 23847, 26880, 31796, 39745, 47694, 55643, 63592, 79490, 95388, 111286, 119235, 127184, 158980, 166929, 190776, 222572, 238470, 254368, 278215, 317960, 333858, 381552, 445144, 476940, 508736, 556430, 635920, 667716, 763104, 834645, 890288, 953880, 1017472, 1112860, 1271840, 1335432, 1526208, 1669290, 1780576, 1907760, 2034944, 2225720, 2543680, 2670864, 3052416, 3338580, 3561152, 3815520, 4451440, 5087360, 5341728, 6104832, 6677160, 7122304, 7631040, 8902880, 10174720, 10683456, 13354320, 14244608, 15262080, 17805760, 21366912, 26708640, 30524160, 35611520, 42733824, 53417280, 71223040, 106834560, 213669120]

約数ペア:

[(1, 213669120), (2, 106834560), (3, 71223040), (4, 53417280), (5, 42733824), (6, 35611520), (7, 30524160), (8, 26708640), (10, 21366912), (12, 17805760), (14, 15262080), (15, 14244608), (16, 13354320), (20, 10683456), (21, 10174720), (24, 8902880), (28, 7631040), (30, 7122304), (32, 6677160), (35, 6104832), (40, 5341728), (42, 5087360), (48, 4451440), (56, 3815520), (60, 3561152), (64, 3338580), (70, 3052416), (80, 2670864), (84, 2543680), (96, 2225720), (105, 2034944), (112, 1907760), (120, 1780576), (128, 1669290), (140, 1526208), (160, 1335432), (168, 1271840), (192, 1112860), (210, 1017472), (224, 953880), (240, 890288), (256, 834645), (280, 763104), (320, 667716), (336, 635920), (384, 556430), (420, 508736), (448, 476940), (480, 445144), (560, 381552), (640, 333858), (672, 317960), (768, 278215), (840, 254368), (896, 238470), (960, 222572), (1120, 190776), (1280, 166929), (1344, 158980), (1680, 127184), (1792, 119235), (1920, 111286), (2240, 95388), (2688, 79490), (3360, 63592), (3840, 55643), (4480, 47694), (5376, 39745), (6720, 31796), (7949, 26880), (8960, 23847), (13440, 15898)]