15720960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 53032320

約数和(自身を除く): 37311360

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, 1068, 1104, 1280, 1335, 1380, 1424, 1472, 1536, 1780, 1840, 1920, 2047, 2136, 2208, 2560, 2670, 2760, 2848, 2944, 3560, 3680, 3840, 4094, 4272, 4416, 5340, 5520, 5696, 5888, 6141, 7120, 7360, 7680, 8188, 8544, 8832, 10235, 10680, 11040, 11392, 11776, 12282, 14240, 14720, 16376, 17088, 17664, 20470, 21360, 22080, 22784, 24564, 28480, 29440, 30705, 32752, 34176, 35328, 40940, 42720, 44160, 45568, 49128, 56960, 58880, 61410, 65504, 68352, 81880, 85440, 88320, 98256, 113920, 122820, 131008, 136704, 163760, 170880, 176640, 196512, 227840, 245640, 262016, 327520, 341760, 393024, 491280, 524032, 655040, 683520, 786048, 982560, 1048064, 1310080, 1572096, 1965120, 2620160, 3144192, 3930240, 5240320, 7860480, 15720960]

約数ペア:

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