1226389760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 108

約数和(自身を含む): 3038448924

約数和(自身を除く): 1812059164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 961, 992, 997, 1240, 1280, 1922, 1984, 1994, 2480, 3844, 3968, 3988, 4805, 4960, 4985, 7688, 7936, 7976, 9610, 9920, 9970, 15376, 15952, 19220, 19840, 19940, 30752, 30907, 31904, 38440, 39680, 39880, 61504, 61814, 63808, 76880, 79760, 123008, 123628, 127616, 153760, 154535, 159520, 246016, 247256, 255232, 307520, 309070, 319040, 494512, 615040, 618140, 638080, 958117, 989024, 1230080, 1236280, 1276160, 1916234, 1978048, 2472560, 3832468, 3956096, 4790585, 4945120, 7664936, 7912192, 9581170, 9890240, 15329872, 19162340, 19780480, 30659744, 38324680, 39560960, 61319488, 76649360, 122638976, 153298720, 245277952, 306597440, 613194880, 1226389760]

約数ペア:

[(1, 1226389760), (2, 613194880), (4, 306597440), (5, 245277952), (8, 153298720), (10, 122638976), (16, 76649360), (20, 61319488), (31, 39560960), (32, 38324680), (40, 30659744), (62, 19780480), (64, 19162340), (80, 15329872), (124, 9890240), (128, 9581170), (155, 7912192), (160, 7664936), (248, 4945120), (256, 4790585), (310, 3956096), (320, 3832468), (496, 2472560), (620, 1978048), (640, 1916234), (961, 1276160), (992, 1236280), (997, 1230080), (1240, 989024), (1280, 958117), (1922, 638080), (1984, 618140), (1994, 615040), (2480, 494512), (3844, 319040), (3968, 309070), (3988, 307520), (4805, 255232), (4960, 247256), (4985, 246016), (7688, 159520), (7936, 154535), (7976, 153760), (9610, 127616), (9920, 123628), (9970, 123008), (15376, 79760), (15952, 76880), (19220, 63808), (19840, 61814), (19940, 61504), (30752, 39880), (30907, 39680), (31904, 38440)]