28109760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 224

約数和(自身を含む): 105338880

約数和(自身を除く): 77229120

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, 47, 48, 56, 60, 64, 70, 80, 84, 89, 94, 96, 105, 112, 120, 140, 141, 160, 168, 178, 188, 192, 210, 224, 235, 240, 267, 280, 282, 320, 329, 336, 356, 376, 420, 445, 448, 470, 480, 534, 560, 564, 623, 658, 672, 705, 712, 752, 840, 890, 940, 960, 987, 1068, 1120, 1128, 1246, 1316, 1335, 1344, 1410, 1424, 1504, 1645, 1680, 1780, 1869, 1880, 1974, 2136, 2240, 2256, 2492, 2632, 2670, 2820, 2848, 3008, 3115, 3290, 3360, 3560, 3738, 3760, 3948, 4183, 4272, 4512, 4935, 4984, 5264, 5340, 5640, 5696, 6230, 6580, 6720, 7120, 7476, 7520, 7896, 8366, 8544, 9024, 9345, 9870, 9968, 10528, 10680, 11280, 12460, 12549, 13160, 14240, 14952, 15040, 15792, 16732, 17088, 18690, 19740, 19936, 20915, 21056, 21360, 22560, 24920, 25098, 26320, 28480, 29281, 29904, 31584, 33464, 37380, 39480, 39872, 41830, 42720, 45120, 49840, 50196, 52640, 58562, 59808, 62745, 63168, 66928, 74760, 78960, 83660, 85440, 87843, 99680, 100392, 105280, 117124, 119616, 125490, 133856, 146405, 149520, 157920, 167320, 175686, 199360, 200784, 234248, 250980, 267712, 292810, 299040, 315840, 334640, 351372, 401568, 439215, 468496, 501960, 585620, 598080, 669280, 702744, 803136, 878430, 936992, 1003920, 1171240, 1338560, 1405488, 1756860, 1873984, 2007840, 2342480, 2810976, 3513720, 4015680, 4684960, 5621952, 7027440, 9369920, 14054880, 28109760]

約数ペア:

[(1, 28109760), (2, 14054880), (3, 9369920), (4, 7027440), (5, 5621952), (6, 4684960), (7, 4015680), (8, 3513720), (10, 2810976), (12, 2342480), (14, 2007840), (15, 1873984), (16, 1756860), (20, 1405488), (21, 1338560), (24, 1171240), (28, 1003920), (30, 936992), (32, 878430), (35, 803136), (40, 702744), (42, 669280), (47, 598080), (48, 585620), (56, 501960), (60, 468496), (64, 439215), (70, 401568), (80, 351372), (84, 334640), (89, 315840), (94, 299040), (96, 292810), (105, 267712), (112, 250980), (120, 234248), (140, 200784), (141, 199360), (160, 175686), (168, 167320), (178, 157920), (188, 149520), (192, 146405), (210, 133856), (224, 125490), (235, 119616), (240, 117124), (267, 105280), (280, 100392), (282, 99680), (320, 87843), (329, 85440), (336, 83660), (356, 78960), (376, 74760), (420, 66928), (445, 63168), (448, 62745), (470, 59808), (480, 58562), (534, 52640), (560, 50196), (564, 49840), (623, 45120), (658, 42720), (672, 41830), (705, 39872), (712, 39480), (752, 37380), (840, 33464), (890, 31584), (940, 29904), (960, 29281), (987, 28480), (1068, 26320), (1120, 25098), (1128, 24920), (1246, 22560), (1316, 21360), (1335, 21056), (1344, 20915), (1410, 19936), (1424, 19740), (1504, 18690), (1645, 17088), (1680, 16732), (1780, 15792), (1869, 15040), (1880, 14952), (1974, 14240), (2136, 13160), (2240, 12549), (2256, 12460), (2492, 11280), (2632, 10680), (2670, 10528), (2820, 9968), (2848, 9870), (3008, 9345), (3115, 9024), (3290, 8544), (3360, 8366), (3560, 7896), (3738, 7520), (3760, 7476), (3948, 7120), (4183, 6720), (4272, 6580), (4512, 6230), (4935, 5696), (4984, 5640), (5264, 5340)]