210026240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 533729280

約数和(自身を除く): 323703040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 79, 80, 124, 128, 134, 155, 158, 160, 248, 256, 268, 310, 316, 320, 335, 395, 496, 536, 620, 632, 640, 670, 790, 992, 1072, 1240, 1264, 1280, 1340, 1580, 1984, 2077, 2144, 2449, 2480, 2528, 2680, 3160, 3968, 4154, 4288, 4898, 4960, 5056, 5293, 5360, 6320, 7936, 8308, 8576, 9796, 9920, 10112, 10385, 10586, 10720, 12245, 12640, 16616, 17152, 19592, 19840, 20224, 20770, 21172, 21440, 24490, 25280, 26465, 33232, 39184, 39680, 41540, 42344, 42880, 48980, 50560, 52930, 66464, 78368, 83080, 84688, 85760, 97960, 101120, 105860, 132928, 156736, 164083, 166160, 169376, 195920, 211720, 265856, 313472, 328166, 332320, 338752, 391840, 423440, 531712, 626944, 656332, 664640, 677504, 783680, 820415, 846880, 1312664, 1329280, 1355008, 1567360, 1640830, 1693760, 2625328, 2658560, 3134720, 3281660, 3387520, 5250656, 6563320, 6775040, 10501312, 13126640, 21002624, 26253280, 42005248, 52506560, 105013120, 210026240]

約数ペア:

[(1, 210026240), (2, 105013120), (4, 52506560), (5, 42005248), (8, 26253280), (10, 21002624), (16, 13126640), (20, 10501312), (31, 6775040), (32, 6563320), (40, 5250656), (62, 3387520), (64, 3281660), (67, 3134720), (79, 2658560), (80, 2625328), (124, 1693760), (128, 1640830), (134, 1567360), (155, 1355008), (158, 1329280), (160, 1312664), (248, 846880), (256, 820415), (268, 783680), (310, 677504), (316, 664640), (320, 656332), (335, 626944), (395, 531712), (496, 423440), (536, 391840), (620, 338752), (632, 332320), (640, 328166), (670, 313472), (790, 265856), (992, 211720), (1072, 195920), (1240, 169376), (1264, 166160), (1280, 164083), (1340, 156736), (1580, 132928), (1984, 105860), (2077, 101120), (2144, 97960), (2449, 85760), (2480, 84688), (2528, 83080), (2680, 78368), (3160, 66464), (3968, 52930), (4154, 50560), (4288, 48980), (4898, 42880), (4960, 42344), (5056, 41540), (5293, 39680), (5360, 39184), (6320, 33232), (7936, 26465), (8308, 25280), (8576, 24490), (9796, 21440), (9920, 21172), (10112, 20770), (10385, 20224), (10586, 19840), (10720, 19592), (12245, 17152), (12640, 16616)]