311896680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 968544000

約数和(自身を除く): 656647320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 199, 222, 296, 353, 370, 398, 444, 555, 597, 706, 740, 796, 888, 995, 1059, 1110, 1194, 1412, 1480, 1592, 1765, 1990, 2118, 2220, 2388, 2824, 2985, 3530, 3980, 4236, 4440, 4776, 5295, 5970, 7060, 7363, 7960, 8472, 10590, 11940, 13061, 14120, 14726, 21180, 22089, 23880, 26122, 29452, 36815, 39183, 42360, 44178, 52244, 58904, 65305, 70247, 73630, 78366, 88356, 104488, 110445, 130610, 140494, 147260, 156732, 176712, 195915, 210741, 220890, 261220, 280988, 294520, 313464, 351235, 391830, 421482, 441780, 522440, 561976, 702470, 783660, 842964, 883560, 1053705, 1404940, 1567320, 1685928, 2107410, 2599139, 2809880, 4214820, 5198278, 7797417, 8429640, 10396556, 12995695, 15594834, 20793112, 25991390, 31189668, 38987085, 51982780, 62379336, 77974170, 103965560, 155948340, 311896680]

約数ペア:

[(1, 311896680), (2, 155948340), (3, 103965560), (4, 77974170), (5, 62379336), (6, 51982780), (8, 38987085), (10, 31189668), (12, 25991390), (15, 20793112), (20, 15594834), (24, 12995695), (30, 10396556), (37, 8429640), (40, 7797417), (60, 5198278), (74, 4214820), (111, 2809880), (120, 2599139), (148, 2107410), (185, 1685928), (199, 1567320), (222, 1404940), (296, 1053705), (353, 883560), (370, 842964), (398, 783660), (444, 702470), (555, 561976), (597, 522440), (706, 441780), (740, 421482), (796, 391830), (888, 351235), (995, 313464), (1059, 294520), (1110, 280988), (1194, 261220), (1412, 220890), (1480, 210741), (1592, 195915), (1765, 176712), (1990, 156732), (2118, 147260), (2220, 140494), (2388, 130610), (2824, 110445), (2985, 104488), (3530, 88356), (3980, 78366), (4236, 73630), (4440, 70247), (4776, 65305), (5295, 58904), (5970, 52244), (7060, 44178), (7363, 42360), (7960, 39183), (8472, 36815), (10590, 29452), (11940, 26122), (13061, 23880), (14120, 22089), (14726, 21180)]