64942920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{25771}}^1$

素因数の和:25795

約数の個数: 96

約数和(自身を含む): 241225920

約数和(自身を除く): 176283000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 25771, 51542, 77313, 103084, 128855, 154626, 180397, 206168, 231939, 257710, 309252, 360794, 386565, 463878, 515420, 541191, 618504, 721588, 773130, 901985, 927756, 1030840, 1082382, 1159695, 1443176, 1546260, 1623573, 1803970, 1855512, 2164764, 2319390, 2705955, 3092520, 3247146, 3607940, 4329528, 4638780, 5411910, 6494292, 7215880, 8117865, 9277560, 10823820, 12988584, 16235730, 21647640, 32471460, 64942920]

約数ペア:

[(1, 64942920), (2, 32471460), (3, 21647640), (4, 16235730), (5, 12988584), (6, 10823820), (7, 9277560), (8, 8117865), (9, 7215880), (10, 6494292), (12, 5411910), (14, 4638780), (15, 4329528), (18, 3607940), (20, 3247146), (21, 3092520), (24, 2705955), (28, 2319390), (30, 2164764), (35, 1855512), (36, 1803970), (40, 1623573), (42, 1546260), (45, 1443176), (56, 1159695), (60, 1082382), (63, 1030840), (70, 927756), (72, 901985), (84, 773130), (90, 721588), (105, 618504), (120, 541191), (126, 515420), (140, 463878), (168, 386565), (180, 360794), (210, 309252), (252, 257710), (280, 231939), (315, 206168), (360, 180397), (420, 154626), (504, 128855), (630, 103084), (840, 77313), (1260, 51542), (2520, 25771)]