18215040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 59486400

約数和(自身を除く): 41271360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 179, 192, 212, 240, 265, 318, 320, 358, 384, 424, 480, 530, 537, 636, 640, 716, 795, 848, 895, 960, 1060, 1074, 1272, 1432, 1590, 1696, 1790, 1920, 2120, 2148, 2544, 2685, 2864, 3180, 3392, 3580, 4240, 4296, 5088, 5370, 5728, 6360, 6784, 7160, 8480, 8592, 9487, 10176, 10740, 11456, 12720, 14320, 16960, 17184, 18974, 20352, 21480, 22912, 25440, 28461, 28640, 33920, 34368, 37948, 42960, 47435, 50880, 56922, 57280, 68736, 75896, 85920, 94870, 101760, 113844, 114560, 142305, 151792, 171840, 189740, 227688, 284610, 303584, 343680, 379480, 455376, 569220, 607168, 758960, 910752, 1138440, 1214336, 1517920, 1821504, 2276880, 3035840, 3643008, 4553760, 6071680, 9107520, 18215040]

約数ペア:

[(1, 18215040), (2, 9107520), (3, 6071680), (4, 4553760), (5, 3643008), (6, 3035840), (8, 2276880), (10, 1821504), (12, 1517920), (15, 1214336), (16, 1138440), (20, 910752), (24, 758960), (30, 607168), (32, 569220), (40, 455376), (48, 379480), (53, 343680), (60, 303584), (64, 284610), (80, 227688), (96, 189740), (106, 171840), (120, 151792), (128, 142305), (159, 114560), (160, 113844), (179, 101760), (192, 94870), (212, 85920), (240, 75896), (265, 68736), (318, 57280), (320, 56922), (358, 50880), (384, 47435), (424, 42960), (480, 37948), (530, 34368), (537, 33920), (636, 28640), (640, 28461), (716, 25440), (795, 22912), (848, 21480), (895, 20352), (960, 18974), (1060, 17184), (1074, 16960), (1272, 14320), (1432, 12720), (1590, 11456), (1696, 10740), (1790, 10176), (1920, 9487), (2120, 8592), (2148, 8480), (2544, 7160), (2685, 6784), (2864, 6360), (3180, 5728), (3392, 5370), (3580, 5088), (4240, 4296)]