28734720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1069}}^1$

素因数の和:1100

約数の個数: 144

約数和(自身を含む): 104979840

約数和(自身を除く): 76245120

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, 1069, 1120, 1280, 1344, 1680, 1792, 1920, 2138, 2240, 2688, 3207, 3360, 3840, 4276, 4480, 5345, 5376, 6414, 6720, 7483, 8552, 8960, 10690, 12828, 13440, 14966, 16035, 17104, 21380, 22449, 25656, 26880, 29932, 32070, 34208, 37415, 42760, 44898, 51312, 59864, 64140, 68416, 74830, 85520, 89796, 102624, 112245, 119728, 128280, 136832, 149660, 171040, 179592, 205248, 224490, 239456, 256560, 273664, 299320, 342080, 359184, 410496, 448980, 478912, 513120, 598640, 684160, 718368, 820992, 897960, 957824, 1026240, 1197280, 1368320, 1436736, 1795920, 1915648, 2052480, 2394560, 2873472, 3591840, 4104960, 4789120, 5746944, 7183680, 9578240, 14367360, 28734720]

約数ペア:

[(1, 28734720), (2, 14367360), (3, 9578240), (4, 7183680), (5, 5746944), (6, 4789120), (7, 4104960), (8, 3591840), (10, 2873472), (12, 2394560), (14, 2052480), (15, 1915648), (16, 1795920), (20, 1436736), (21, 1368320), (24, 1197280), (28, 1026240), (30, 957824), (32, 897960), (35, 820992), (40, 718368), (42, 684160), (48, 598640), (56, 513120), (60, 478912), (64, 448980), (70, 410496), (80, 359184), (84, 342080), (96, 299320), (105, 273664), (112, 256560), (120, 239456), (128, 224490), (140, 205248), (160, 179592), (168, 171040), (192, 149660), (210, 136832), (224, 128280), (240, 119728), (256, 112245), (280, 102624), (320, 89796), (336, 85520), (384, 74830), (420, 68416), (448, 64140), (480, 59864), (560, 51312), (640, 44898), (672, 42760), (768, 37415), (840, 34208), (896, 32070), (960, 29932), (1069, 26880), (1120, 25656), (1280, 22449), (1344, 21380), (1680, 17104), (1792, 16035), (1920, 14966), (2138, 13440), (2240, 12828), (2688, 10690), (3207, 8960), (3360, 8552), (3840, 7483), (4276, 6720), (4480, 6414), (5345, 5376)]