28016640

素因数分解:

$2^{15}\times 3^2\times 5^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 192

約数和(自身を含む): 102234600

約数和(自身を除く): 74217960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 512, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1024, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1536, 1710, 1824, 1920, 2048, 2280, 2304, 2432, 2560, 2736, 2880, 3040, 3072, 3420, 3648, 3840, 4096, 4560, 4608, 4864, 5120, 5472, 5760, 6080, 6144, 6840, 7296, 7680, 8192, 9120, 9216, 9728, 10240, 10944, 11520, 12160, 12288, 13680, 14592, 15360, 16384, 18240, 18432, 19456, 20480, 21888, 23040, 24320, 24576, 27360, 29184, 30720, 32768, 36480, 36864, 38912, 40960, 43776, 46080, 48640, 49152, 54720, 58368, 61440, 72960, 73728, 77824, 81920, 87552, 92160, 97280, 98304, 109440, 116736, 122880, 145920, 147456, 155648, 163840, 175104, 184320, 194560, 218880, 233472, 245760, 291840, 294912, 311296, 350208, 368640, 389120, 437760, 466944, 491520, 583680, 622592, 700416, 737280, 778240, 875520, 933888, 1167360, 1400832, 1474560, 1556480, 1751040, 1867776, 2334720, 2801664, 3112960, 3502080, 4669440, 5603328, 7004160, 9338880, 14008320, 28016640]

約数ペア:

[(1, 28016640), (2, 14008320), (3, 9338880), (4, 7004160), (5, 5603328), (6, 4669440), (8, 3502080), (9, 3112960), (10, 2801664), (12, 2334720), (15, 1867776), (16, 1751040), (18, 1556480), (19, 1474560), (20, 1400832), (24, 1167360), (30, 933888), (32, 875520), (36, 778240), (38, 737280), (40, 700416), (45, 622592), (48, 583680), (57, 491520), (60, 466944), (64, 437760), (72, 389120), (76, 368640), (80, 350208), (90, 311296), (95, 294912), (96, 291840), (114, 245760), (120, 233472), (128, 218880), (144, 194560), (152, 184320), (160, 175104), (171, 163840), (180, 155648), (190, 147456), (192, 145920), (228, 122880), (240, 116736), (256, 109440), (285, 98304), (288, 97280), (304, 92160), (320, 87552), (342, 81920), (360, 77824), (380, 73728), (384, 72960), (456, 61440), (480, 58368), (512, 54720), (570, 49152), (576, 48640), (608, 46080), (640, 43776), (684, 40960), (720, 38912), (760, 36864), (768, 36480), (855, 32768), (912, 30720), (960, 29184), (1024, 27360), (1140, 24576), (1152, 24320), (1216, 23040), (1280, 21888), (1368, 20480), (1440, 19456), (1520, 18432), (1536, 18240), (1710, 16384), (1824, 15360), (1920, 14592), (2048, 13680), (2280, 12288), (2304, 12160), (2432, 11520), (2560, 10944), (2736, 10240), (2880, 9728), (3040, 9216), (3072, 9120), (3420, 8192), (3648, 7680), (3840, 7296), (4096, 6840), (4560, 6144), (4608, 6080), (4864, 5760), (5120, 5472)]