39960960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1636

約数の個数: 128

約数和(自身を含む): 137259360

約数和(自身を除く): 97298400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1601, 1664, 1920, 2080, 2496, 3120, 3202, 4160, 4803, 4992, 6240, 6404, 8005, 8320, 9606, 12480, 12808, 16010, 19212, 20813, 24015, 24960, 25616, 32020, 38424, 41626, 48030, 51232, 62439, 64040, 76848, 83252, 96060, 102464, 104065, 124878, 128080, 153696, 166504, 192120, 204928, 208130, 249756, 256160, 307392, 312195, 333008, 384240, 416260, 499512, 512320, 614784, 624390, 666016, 768480, 832520, 999024, 1024640, 1248780, 1332032, 1536960, 1665040, 1998048, 2497560, 2664064, 3073920, 3330080, 3996096, 4995120, 6660160, 7992192, 9990240, 13320320, 19980480, 39960960]

約数ペア:

[(1, 39960960), (2, 19980480), (3, 13320320), (4, 9990240), (5, 7992192), (6, 6660160), (8, 4995120), (10, 3996096), (12, 3330080), (13, 3073920), (15, 2664064), (16, 2497560), (20, 1998048), (24, 1665040), (26, 1536960), (30, 1332032), (32, 1248780), (39, 1024640), (40, 999024), (48, 832520), (52, 768480), (60, 666016), (64, 624390), (65, 614784), (78, 512320), (80, 499512), (96, 416260), (104, 384240), (120, 333008), (128, 312195), (130, 307392), (156, 256160), (160, 249756), (192, 208130), (195, 204928), (208, 192120), (240, 166504), (260, 153696), (312, 128080), (320, 124878), (384, 104065), (390, 102464), (416, 96060), (480, 83252), (520, 76848), (624, 64040), (640, 62439), (780, 51232), (832, 48030), (960, 41626), (1040, 38424), (1248, 32020), (1560, 25616), (1601, 24960), (1664, 24015), (1920, 20813), (2080, 19212), (2496, 16010), (3120, 12808), (3202, 12480), (4160, 9606), (4803, 8320), (4992, 8005), (6240, 6404)]