31238080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 79589376

約数和(自身を除く): 48351296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 67, 80, 94, 124, 134, 155, 160, 188, 235, 248, 268, 310, 320, 335, 376, 470, 496, 536, 620, 670, 752, 940, 992, 1072, 1240, 1340, 1457, 1504, 1880, 1984, 2077, 2144, 2480, 2680, 2914, 3008, 3149, 3760, 4154, 4288, 4960, 5360, 5828, 6298, 7285, 7520, 8308, 9920, 10385, 10720, 11656, 12596, 14570, 15040, 15745, 16616, 20770, 21440, 23312, 25192, 29140, 31490, 33232, 41540, 46624, 50384, 58280, 62980, 66464, 83080, 93248, 97619, 100768, 116560, 125960, 132928, 166160, 195238, 201536, 233120, 251920, 332320, 390476, 466240, 488095, 503840, 664640, 780952, 976190, 1007680, 1561904, 1952380, 3123808, 3904760, 6247616, 7809520, 15619040, 31238080]

約数ペア:

[(1, 31238080), (2, 15619040), (4, 7809520), (5, 6247616), (8, 3904760), (10, 3123808), (16, 1952380), (20, 1561904), (31, 1007680), (32, 976190), (40, 780952), (47, 664640), (62, 503840), (64, 488095), (67, 466240), (80, 390476), (94, 332320), (124, 251920), (134, 233120), (155, 201536), (160, 195238), (188, 166160), (235, 132928), (248, 125960), (268, 116560), (310, 100768), (320, 97619), (335, 93248), (376, 83080), (470, 66464), (496, 62980), (536, 58280), (620, 50384), (670, 46624), (752, 41540), (940, 33232), (992, 31490), (1072, 29140), (1240, 25192), (1340, 23312), (1457, 21440), (1504, 20770), (1880, 16616), (1984, 15745), (2077, 15040), (2144, 14570), (2480, 12596), (2680, 11656), (2914, 10720), (3008, 10385), (3149, 9920), (3760, 8308), (4154, 7520), (4288, 7285), (4960, 6298), (5360, 5828)]