85720180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3623}}^1$

素因数の和:3665

約数の個数: 72

約数和(自身を含む): 222832512

約数和(自身を除く): 137112332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 3623, 4732, 5915, 7246, 11830, 14492, 18115, 23660, 25361, 36230, 47099, 50722, 72460, 94198, 101444, 126805, 188396, 235495, 253610, 329693, 470990, 507220, 612287, 659386, 941980, 1224574, 1318772, 1648465, 2449148, 3061435, 3296930, 4286009, 6122870, 6593860, 8572018, 12245740, 17144036, 21430045, 42860090, 85720180]

約数ペア:

[(1, 85720180), (2, 42860090), (4, 21430045), (5, 17144036), (7, 12245740), (10, 8572018), (13, 6593860), (14, 6122870), (20, 4286009), (26, 3296930), (28, 3061435), (35, 2449148), (52, 1648465), (65, 1318772), (70, 1224574), (91, 941980), (130, 659386), (140, 612287), (169, 507220), (182, 470990), (260, 329693), (338, 253610), (364, 235495), (455, 188396), (676, 126805), (845, 101444), (910, 94198), (1183, 72460), (1690, 50722), (1820, 47099), (2366, 36230), (3380, 25361), (3623, 23660), (4732, 18115), (5915, 14492), (7246, 11830)]