31249920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 160

約数和(自身を含む): 107930592

約数和(自身を除く): 76680672

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, 256, 260, 312, 313, 320, 384, 390, 416, 480, 512, 520, 624, 626, 640, 768, 780, 832, 939, 960, 1040, 1248, 1252, 1280, 1536, 1560, 1565, 1664, 1878, 1920, 2080, 2496, 2504, 2560, 3120, 3130, 3328, 3756, 3840, 4069, 4160, 4695, 4992, 5008, 6240, 6260, 6656, 7512, 7680, 8138, 8320, 9390, 9984, 10016, 12207, 12480, 12520, 15024, 16276, 16640, 18780, 19968, 20032, 20345, 24414, 24960, 25040, 30048, 32552, 33280, 37560, 40064, 40690, 48828, 49920, 50080, 60096, 61035, 65104, 75120, 80128, 81380, 97656, 99840, 100160, 120192, 122070, 130208, 150240, 160256, 162760, 195312, 200320, 240384, 244140, 260416, 300480, 325520, 390624, 400640, 480768, 488280, 520832, 600960, 651040, 781248, 801280, 976560, 1041664, 1201920, 1302080, 1562496, 1953120, 2083328, 2403840, 2604160, 3124992, 3906240, 5208320, 6249984, 7812480, 10416640, 15624960, 31249920]

約数ペア:

[(1, 31249920), (2, 15624960), (3, 10416640), (4, 7812480), (5, 6249984), (6, 5208320), (8, 3906240), (10, 3124992), (12, 2604160), (13, 2403840), (15, 2083328), (16, 1953120), (20, 1562496), (24, 1302080), (26, 1201920), (30, 1041664), (32, 976560), (39, 801280), (40, 781248), (48, 651040), (52, 600960), (60, 520832), (64, 488280), (65, 480768), (78, 400640), (80, 390624), (96, 325520), (104, 300480), (120, 260416), (128, 244140), (130, 240384), (156, 200320), (160, 195312), (192, 162760), (195, 160256), (208, 150240), (240, 130208), (256, 122070), (260, 120192), (312, 100160), (313, 99840), (320, 97656), (384, 81380), (390, 80128), (416, 75120), (480, 65104), (512, 61035), (520, 60096), (624, 50080), (626, 49920), (640, 48828), (768, 40690), (780, 40064), (832, 37560), (939, 33280), (960, 32552), (1040, 30048), (1248, 25040), (1252, 24960), (1280, 24414), (1536, 20345), (1560, 20032), (1565, 19968), (1664, 18780), (1878, 16640), (1920, 16276), (2080, 15024), (2496, 12520), (2504, 12480), (2560, 12207), (3120, 10016), (3130, 9984), (3328, 9390), (3756, 8320), (3840, 8138), (4069, 7680), (4160, 7512), (4695, 6656), (4992, 6260), (5008, 6240)]