31441920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 176

約数和(自身を含む): 106116480

約数和(自身を除く): 74674560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 89, 92, 96, 115, 120, 128, 138, 160, 178, 184, 192, 230, 240, 256, 267, 276, 320, 345, 356, 368, 384, 445, 460, 480, 512, 534, 552, 640, 690, 712, 736, 768, 890, 920, 960, 1024, 1068, 1104, 1280, 1335, 1380, 1424, 1472, 1536, 1780, 1840, 1920, 2047, 2136, 2208, 2560, 2670, 2760, 2848, 2944, 3072, 3560, 3680, 3840, 4094, 4272, 4416, 5120, 5340, 5520, 5696, 5888, 6141, 7120, 7360, 7680, 8188, 8544, 8832, 10235, 10680, 11040, 11392, 11776, 12282, 14240, 14720, 15360, 16376, 17088, 17664, 20470, 21360, 22080, 22784, 23552, 24564, 28480, 29440, 30705, 32752, 34176, 35328, 40940, 42720, 44160, 45568, 49128, 56960, 58880, 61410, 65504, 68352, 70656, 81880, 85440, 88320, 91136, 98256, 113920, 117760, 122820, 131008, 136704, 163760, 170880, 176640, 196512, 227840, 245640, 262016, 273408, 327520, 341760, 353280, 393024, 455680, 491280, 524032, 655040, 683520, 786048, 982560, 1048064, 1310080, 1367040, 1572096, 1965120, 2096128, 2620160, 3144192, 3930240, 5240320, 6288384, 7860480, 10480640, 15720960, 31441920]

約数ペア:

[(1, 31441920), (2, 15720960), (3, 10480640), (4, 7860480), (5, 6288384), (6, 5240320), (8, 3930240), (10, 3144192), (12, 2620160), (15, 2096128), (16, 1965120), (20, 1572096), (23, 1367040), (24, 1310080), (30, 1048064), (32, 982560), (40, 786048), (46, 683520), (48, 655040), (60, 524032), (64, 491280), (69, 455680), (80, 393024), (89, 353280), (92, 341760), (96, 327520), (115, 273408), (120, 262016), (128, 245640), (138, 227840), (160, 196512), (178, 176640), (184, 170880), (192, 163760), (230, 136704), (240, 131008), (256, 122820), (267, 117760), (276, 113920), (320, 98256), (345, 91136), (356, 88320), (368, 85440), (384, 81880), (445, 70656), (460, 68352), (480, 65504), (512, 61410), (534, 58880), (552, 56960), (640, 49128), (690, 45568), (712, 44160), (736, 42720), (768, 40940), (890, 35328), (920, 34176), (960, 32752), (1024, 30705), (1068, 29440), (1104, 28480), (1280, 24564), (1335, 23552), (1380, 22784), (1424, 22080), (1472, 21360), (1536, 20470), (1780, 17664), (1840, 17088), (1920, 16376), (2047, 15360), (2136, 14720), (2208, 14240), (2560, 12282), (2670, 11776), (2760, 11392), (2848, 11040), (2944, 10680), (3072, 10235), (3560, 8832), (3680, 8544), (3840, 8188), (4094, 7680), (4272, 7360), (4416, 7120), (5120, 6141), (5340, 5888), (5520, 5696)]