30716640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 106496208

約数和(自身を除く): 75779568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 257, 288, 332, 360, 415, 480, 498, 514, 664, 720, 747, 771, 830, 996, 1028, 1245, 1285, 1328, 1440, 1494, 1542, 1660, 1992, 2056, 2313, 2490, 2570, 2656, 2988, 3084, 3320, 3735, 3855, 3984, 4112, 4626, 4980, 5140, 5976, 6168, 6640, 7470, 7710, 7968, 8224, 9252, 9960, 10280, 11565, 11952, 12336, 13280, 14940, 15420, 18504, 19920, 20560, 21331, 23130, 23904, 24672, 29880, 30840, 37008, 39840, 41120, 42662, 46260, 59760, 61680, 63993, 74016, 85324, 92520, 106655, 119520, 123360, 127986, 170648, 185040, 191979, 213310, 255972, 319965, 341296, 370080, 383958, 426620, 511944, 639930, 682592, 767916, 853240, 959895, 1023888, 1279860, 1535832, 1706480, 1919790, 2047776, 2559720, 3071664, 3412960, 3839580, 5119440, 6143328, 7679160, 10238880, 15358320, 30716640]

約数ペア:

[(1, 30716640), (2, 15358320), (3, 10238880), (4, 7679160), (5, 6143328), (6, 5119440), (8, 3839580), (9, 3412960), (10, 3071664), (12, 2559720), (15, 2047776), (16, 1919790), (18, 1706480), (20, 1535832), (24, 1279860), (30, 1023888), (32, 959895), (36, 853240), (40, 767916), (45, 682592), (48, 639930), (60, 511944), (72, 426620), (80, 383958), (83, 370080), (90, 341296), (96, 319965), (120, 255972), (144, 213310), (160, 191979), (166, 185040), (180, 170648), (240, 127986), (249, 123360), (257, 119520), (288, 106655), (332, 92520), (360, 85324), (415, 74016), (480, 63993), (498, 61680), (514, 59760), (664, 46260), (720, 42662), (747, 41120), (771, 39840), (830, 37008), (996, 30840), (1028, 29880), (1245, 24672), (1285, 23904), (1328, 23130), (1440, 21331), (1494, 20560), (1542, 19920), (1660, 18504), (1992, 15420), (2056, 14940), (2313, 13280), (2490, 12336), (2570, 11952), (2656, 11565), (2988, 10280), (3084, 9960), (3320, 9252), (3735, 8224), (3855, 7968), (3984, 7710), (4112, 7470), (4626, 6640), (4980, 6168), (5140, 5976)]