28197120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1049}}^1$

素因数の和:1080

約数の個数: 144

約数和(自身を含む): 103017600

約数和(自身を除く): 74820480

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, 1049, 1120, 1280, 1344, 1680, 1792, 1920, 2098, 2240, 2688, 3147, 3360, 3840, 4196, 4480, 5245, 5376, 6294, 6720, 7343, 8392, 8960, 10490, 12588, 13440, 14686, 15735, 16784, 20980, 22029, 25176, 26880, 29372, 31470, 33568, 36715, 41960, 44058, 50352, 58744, 62940, 67136, 73430, 83920, 88116, 100704, 110145, 117488, 125880, 134272, 146860, 167840, 176232, 201408, 220290, 234976, 251760, 268544, 293720, 335680, 352464, 402816, 440580, 469952, 503520, 587440, 671360, 704928, 805632, 881160, 939904, 1007040, 1174880, 1342720, 1409856, 1762320, 1879808, 2014080, 2349760, 2819712, 3524640, 4028160, 4699520, 5639424, 7049280, 9399040, 14098560, 28197120]

約数ペア:

[(1, 28197120), (2, 14098560), (3, 9399040), (4, 7049280), (5, 5639424), (6, 4699520), (7, 4028160), (8, 3524640), (10, 2819712), (12, 2349760), (14, 2014080), (15, 1879808), (16, 1762320), (20, 1409856), (21, 1342720), (24, 1174880), (28, 1007040), (30, 939904), (32, 881160), (35, 805632), (40, 704928), (42, 671360), (48, 587440), (56, 503520), (60, 469952), (64, 440580), (70, 402816), (80, 352464), (84, 335680), (96, 293720), (105, 268544), (112, 251760), (120, 234976), (128, 220290), (140, 201408), (160, 176232), (168, 167840), (192, 146860), (210, 134272), (224, 125880), (240, 117488), (256, 110145), (280, 100704), (320, 88116), (336, 83920), (384, 73430), (420, 67136), (448, 62940), (480, 58744), (560, 50352), (640, 44058), (672, 41960), (768, 36715), (840, 33568), (896, 31470), (960, 29372), (1049, 26880), (1120, 25176), (1280, 22029), (1344, 20980), (1680, 16784), (1792, 15735), (1920, 14686), (2098, 13440), (2240, 12588), (2688, 10490), (3147, 8960), (3360, 8392), (3840, 7343), (4196, 6720), (4480, 6294), (5245, 5376)]