31115520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 216

約数和(自身を含む): 112080696

約数和(自身を除く): 80965176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 73, 74, 80, 90, 96, 111, 120, 128, 144, 146, 148, 160, 180, 185, 192, 219, 222, 240, 256, 288, 292, 296, 320, 333, 360, 365, 370, 384, 438, 444, 480, 555, 576, 584, 592, 640, 657, 666, 720, 730, 740, 768, 876, 888, 960, 1095, 1110, 1152, 1168, 1184, 1280, 1314, 1332, 1440, 1460, 1480, 1665, 1752, 1776, 1920, 2190, 2220, 2304, 2336, 2368, 2628, 2664, 2701, 2880, 2920, 2960, 3285, 3330, 3504, 3552, 3840, 4380, 4440, 4672, 4736, 5256, 5328, 5402, 5760, 5840, 5920, 6570, 6660, 7008, 7104, 8103, 8760, 8880, 9344, 9472, 10512, 10656, 10804, 11520, 11680, 11840, 13140, 13320, 13505, 14016, 14208, 16206, 17520, 17760, 18688, 21024, 21312, 21608, 23360, 23680, 24309, 26280, 26640, 27010, 28032, 28416, 32412, 35040, 35520, 40515, 42048, 42624, 43216, 46720, 47360, 48618, 52560, 53280, 54020, 56064, 64824, 70080, 71040, 81030, 84096, 85248, 86432, 93440, 97236, 105120, 106560, 108040, 121545, 129648, 140160, 142080, 162060, 168192, 172864, 194472, 210240, 213120, 216080, 243090, 259296, 280320, 324120, 345728, 388944, 420480, 426240, 432160, 486180, 518592, 648240, 691456, 777888, 840960, 864320, 972360, 1037184, 1296480, 1555776, 1728640, 1944720, 2074368, 2592960, 3111552, 3457280, 3889440, 5185920, 6223104, 7778880, 10371840, 15557760, 31115520]

約数ペア:

[(1, 31115520), (2, 15557760), (3, 10371840), (4, 7778880), (5, 6223104), (6, 5185920), (8, 3889440), (9, 3457280), (10, 3111552), (12, 2592960), (15, 2074368), (16, 1944720), (18, 1728640), (20, 1555776), (24, 1296480), (30, 1037184), (32, 972360), (36, 864320), (37, 840960), (40, 777888), (45, 691456), (48, 648240), (60, 518592), (64, 486180), (72, 432160), (73, 426240), (74, 420480), (80, 388944), (90, 345728), (96, 324120), (111, 280320), (120, 259296), (128, 243090), (144, 216080), (146, 213120), (148, 210240), (160, 194472), (180, 172864), (185, 168192), (192, 162060), (219, 142080), (222, 140160), (240, 129648), (256, 121545), (288, 108040), (292, 106560), (296, 105120), (320, 97236), (333, 93440), (360, 86432), (365, 85248), (370, 84096), (384, 81030), (438, 71040), (444, 70080), (480, 64824), (555, 56064), (576, 54020), (584, 53280), (592, 52560), (640, 48618), (657, 47360), (666, 46720), (720, 43216), (730, 42624), (740, 42048), (768, 40515), (876, 35520), (888, 35040), (960, 32412), (1095, 28416), (1110, 28032), (1152, 27010), (1168, 26640), (1184, 26280), (1280, 24309), (1314, 23680), (1332, 23360), (1440, 21608), (1460, 21312), (1480, 21024), (1665, 18688), (1752, 17760), (1776, 17520), (1920, 16206), (2190, 14208), (2220, 14016), (2304, 13505), (2336, 13320), (2368, 13140), (2628, 11840), (2664, 11680), (2701, 11520), (2880, 10804), (2920, 10656), (2960, 10512), (3285, 9472), (3330, 9344), (3504, 8880), (3552, 8760), (3840, 8103), (4380, 7104), (4440, 7008), (4672, 6660), (4736, 6570), (5256, 5920), (5328, 5840), (5402, 5760)]