70977920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 192780000

約数和(自身を除く): 121802080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 449, 494, 520, 608, 640, 760, 832, 898, 988, 1040, 1216, 1235, 1520, 1664, 1796, 1976, 2080, 2245, 2432, 2470, 3040, 3592, 3952, 4160, 4490, 4940, 5837, 6080, 7184, 7904, 8320, 8531, 8980, 9880, 11674, 12160, 14368, 15808, 17062, 17960, 19760, 23348, 28736, 29185, 31616, 34124, 35920, 39520, 42655, 46696, 57472, 58370, 68248, 71840, 79040, 85310, 93392, 110903, 116740, 136496, 143680, 158080, 170620, 186784, 221806, 233480, 272992, 287360, 341240, 373568, 443612, 466960, 545984, 554515, 682480, 747136, 887224, 933920, 1091968, 1109030, 1364960, 1774448, 1867840, 2218060, 2729920, 3548896, 3735680, 4436120, 5459840, 7097792, 8872240, 14195584, 17744480, 35488960, 70977920]

約数ペア:

[(1, 70977920), (2, 35488960), (4, 17744480), (5, 14195584), (8, 8872240), (10, 7097792), (13, 5459840), (16, 4436120), (19, 3735680), (20, 3548896), (26, 2729920), (32, 2218060), (38, 1867840), (40, 1774448), (52, 1364960), (64, 1109030), (65, 1091968), (76, 933920), (80, 887224), (95, 747136), (104, 682480), (128, 554515), (130, 545984), (152, 466960), (160, 443612), (190, 373568), (208, 341240), (247, 287360), (260, 272992), (304, 233480), (320, 221806), (380, 186784), (416, 170620), (449, 158080), (494, 143680), (520, 136496), (608, 116740), (640, 110903), (760, 93392), (832, 85310), (898, 79040), (988, 71840), (1040, 68248), (1216, 58370), (1235, 57472), (1520, 46696), (1664, 42655), (1796, 39520), (1976, 35920), (2080, 34124), (2245, 31616), (2432, 29185), (2470, 28736), (3040, 23348), (3592, 19760), (3952, 17960), (4160, 17062), (4490, 15808), (4940, 14368), (5837, 12160), (6080, 11674), (7184, 9880), (7904, 8980), (8320, 8531)]