16385280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 55629504

約数和(自身を除く): 39244224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 251, 255, 256, 272, 320, 340, 384, 408, 480, 502, 510, 544, 640, 680, 753, 768, 816, 960, 1004, 1020, 1088, 1255, 1280, 1360, 1506, 1632, 1920, 2008, 2040, 2176, 2510, 2720, 3012, 3264, 3765, 3840, 4016, 4080, 4267, 4352, 5020, 5440, 6024, 6528, 7530, 8032, 8160, 8534, 10040, 10880, 12048, 12801, 13056, 15060, 16064, 16320, 17068, 20080, 21335, 21760, 24096, 25602, 30120, 32128, 32640, 34136, 40160, 42670, 48192, 51204, 60240, 64005, 64256, 65280, 68272, 80320, 85340, 96384, 102408, 120480, 128010, 136544, 160640, 170680, 192768, 204816, 240960, 256020, 273088, 321280, 341360, 409632, 481920, 512040, 546176, 682720, 819264, 963840, 1024080, 1092352, 1365440, 1638528, 2048160, 2730880, 3277056, 4096320, 5461760, 8192640, 16385280]

約数ペア:

[(1, 16385280), (2, 8192640), (3, 5461760), (4, 4096320), (5, 3277056), (6, 2730880), (8, 2048160), (10, 1638528), (12, 1365440), (15, 1092352), (16, 1024080), (17, 963840), (20, 819264), (24, 682720), (30, 546176), (32, 512040), (34, 481920), (40, 409632), (48, 341360), (51, 321280), (60, 273088), (64, 256020), (68, 240960), (80, 204816), (85, 192768), (96, 170680), (102, 160640), (120, 136544), (128, 128010), (136, 120480), (160, 102408), (170, 96384), (192, 85340), (204, 80320), (240, 68272), (251, 65280), (255, 64256), (256, 64005), (272, 60240), (320, 51204), (340, 48192), (384, 42670), (408, 40160), (480, 34136), (502, 32640), (510, 32128), (544, 30120), (640, 25602), (680, 24096), (753, 21760), (768, 21335), (816, 20080), (960, 17068), (1004, 16320), (1020, 16064), (1088, 15060), (1255, 13056), (1280, 12801), (1360, 12048), (1506, 10880), (1632, 10040), (1920, 8534), (2008, 8160), (2040, 8032), (2176, 7530), (2510, 6528), (2720, 6024), (3012, 5440), (3264, 5020), (3765, 4352), (3840, 4267), (4016, 4080)]